775 550 Introduction Background DPMO Accounting History css/scrollStyles.css INTRODUCTION

The U.S. government continues to account for Americans missing in Southeast Asia from the Vietnam War. Since late 1973, the remains of over 700 Americans killed in that war have been returned and identified. Many have been buried with full military honors in accordance with the wishes of surviving family members. Efforts continue to recover nearly 1,800 Americans who remain unaccounted-for from the conflict.

U.S. teams conducted some very restricted searches in 1974 to account for Americans missing in South Vietnam. These met with limited success. At the same time, the work by the "Four Party Joint Military Team" resulted in the return of 23 sets of remains. These men had died in captivity in North Vietnam. The 1975 communist victories in South Vietnam, Laos, and Cambodia virtually halted U.S. work in the region.

Over the next decade, Vietnam returned few remains of missing Americans. In the mid-1980s, the U.S. and Vietnam increased the frequency of high-level policy and technical meetings to help resolve the POW/MIA issue. The U.S. government viewed this work as a humanitarian obligation. The Vietnamese slowly began to return American remains that they had previously collected and stored; eventually they permitted the U.S. to excavate a few crash sites.

The Lao government, with whom the USG maintained diplomatic relations, agreed to several crash-site excavations in the mid-1980s. This resulted in the return and identification of the remains of a few dozen Americans. Cambodia's political state of affairs did not permit in-country accounting work.

In 1988 a presidential emissary, General John Vessey, USA (Ret.), convinced the Vietnamese to permit U.S. teams to search throughout the country.

As part of an ongoing process, for over a decade the U.S. government has conducted joint field activities with Vietnam, Laos, and Cambodia. Throughout those countries, U.S. teams investigate and excavate crash and burial sites. They interview many persons who have knowledge about loss circumstances. The U.S. government has also pressed for and obtained access to historical wartime records and archives. These often provide information relevant to the fates of missing Americans.

Working jointly, American and Vietnamese experts first focused on "Last Known Alive" (LKA) cases. These involved missing Americans whom the U.S. believed might have survived their initial loss incident. The outcome of these investigations helps resolve the question of captive Americans remaining behind in Indochina. To date, the U.S. has identified 296 individuals as LKA in all of Southeast Asia. Following very deliberate and exhaustive investigative efforts, DoD has determined that more than 190 are deceased.

In 1992, the Joint Task Force-Full Accounting (JTF-FA) formed to expand U.S. field operations. Teams from this organization worked in Vietnam, Laos, and Cambodia alongside their foreign counterparts. Together, they interviewed thousands of witnesses regarding the fate of missing Americans. Their hard work resulted in the locat ion of crash and burial sites all over the region, so that the recovery elements made up primarily of Central Identification Laboratory, Hawaii (CILHI), personnel could excavate them. This work continues today under the direction of the Joint POW/MIA Accounting Command (JPAC).

http://www.dtic.mil/dpmo/vietnamwar/vietnam_history.htm

BACKGROUND

The Vietnam War, also known as the Second Indochina War, the Vietnam Conflict or the American War, was a Cold War military conflict that occurred in Vietnam, Laos, and Cambodia from November 1, 1955, to April 30, 1975 when Saigon fell. This war followed the First Indochina War and was fought between the communist North Vietnam, supported by its communist allies, and the government of South Vietnam, supported by the United States and other anti-communist nations.

After eight years of warfare between the French and the communist-led Viet Minh, the 1954 Geneva Agreements ended France's colonial rule and partitioned Vietnam into a communist-controlled North and a non-communist South backed by the United States. In the South, beginning in 1957, communist Viet Cong and re-inserted Northern Vietnamese cadre waged a guerrilla campaign against the government of Ngo Dinh Diem. The North gradually increased their support, establishing the Ho Chi Minh supply trail in May 1959.

The Viet Cong, a lightly-armed South Vietnamese communist-controlled common front, largely fought a guerrilla war against anti-communist forces in the region. The North Vietnamese Army engaged in a more conventional war, at times committing large units into battle. U.S. and South Vietnamese forces relied on air superiority and overwhelming firepower to conduct search and destroy operations, involving ground forces, artillery and airstrikes.

The U.S. tried to bolster the Diem government with increasing numbers of advisers and materiel aid. In 1963, as the insurgency appeared to gain strength, Diem was overthrown by South Vietnamese military officers with the foreknowledge of the U.S. but the situation only worsened. The following year, within weeks of the Gulf of Tonkin incident in early August 1964, the U.S. Congress approved the Tonkin Gulf Resolution (P.L. 88-408), authorizing President Johnson to expand conventional military operations in Vietnam without a formal declaration of war.

In March 1965, in order to strengthen the South Vietnamese government and protect U.S. installations, the U.S. inserted, and committed Marine and Army ground forces in the South. During 1965, to prevent the imminent collapse of South Vietnam, the United States also launched Operation Rolling Thunder, a systematic bombing campaign against the North. In November 1965, the first major combat between the 1st Air Cavalry and North Vietnamese Army main force units occurred in the Ia Drang Valley, in the Central Highlands, changing the nature of the war again. In 1968, with 549,500 U.S. military personnel in South Vietnam, yet with victory still elusive after a Vietnamese New Year's (Tet) attack, much of the American public turned against the war. Rolling Thunder was suspended and in 1969 U.S. troop withdrawals began. Between 1970 and 1972, bombing of the North resumed intermittently and sometimes intensively but ground redeployments continued and the bulk of U.S. forces left the South. Despite the Paris Peace Accords, signed by all parties (U.S. and North Vietnamese officials) in January 1973, fighting continued.

The Case-Church Amendment passed by the U.S. Congress prohibited use of American military after August 15, 1973 unless the president secured congressional approval in advance. The capture of Saigon by North Vietnamese army in April 1975 marked the end of Vietnam War. North and South Vietnam were reunified the following year.

The Paris Peace Accords was an agreement that outlined a cease fire, the 60-day withdrawl of remaining U.S. military forces and the release of American prisoners of war-nearly all of whom were airmen. The war ended with the capitulation of the South Vietnamese government and the final evacuation of all U.S. military and diplomatic personnel from Saigon on April 30, 1975.

The war exacted a huge human cost in terms of fatalities, including 3 to 4 million Vietnamese from both sides, 1.5 to 2 million Laotians and Cambodians, and more than 58,200 U.S. soldiers. By this war's end, the Vietnamese had been fighting foreign involvement or occupation in various wars for over a hundred years.

http://en.wikipedia.org/wiki/Vietnam_War

http://www.dtic.mil/dpmo/vietnamwar/vietnam_history.htm

CHRONOLOGY

1950's

May 7, 1954 – Vietnamese forces occupy the French command post at Dien Bien Phu and the French commander orders his troops to cease fire. The battle had lasted 55 days. Three thousand French troops were killed, 8,000 wounded. The Viet Minh suffered much worse, with 8,000 dead and 12,000 wounded, but the Vietnamese victory shattered France's resolve to carry on the war.

1959 – A specialized North Vietnamese Army unit, Group 559, is formed to create a supply route from North Vietnam to Vietcong forces in South Vietnam. With the approval of Prince Sihanouk of Cambodia, Group 559 develops a primitive route along the Vietnamese/Cambodian border, with offshoots into Vietnam along its entire length. This eventually becomes known as the Ho Chi Minh Trail.

Early 60's

Late 1961 – President John F. Kennedy orders more help for the South Vietnamese government in its war against the Vietcong guerrillas. U.S. backing includes new equipment and more than 3,000 military advisors and support personnel.

December 11, 1961 – American helicopters arrive at docks in South Vietnam along with 400 U.S. personnel, who will fly and maintain the aircraft.

January 12, 1962 – In Operation Chopper, helicopters flown by U.S. Army pilots ferry 1,000 South Vietnamese soldiers to sweep a NLF stronghold near Saigon. It marks America's first combat missions against the Vietcong.

Early 1962 – Operation Ranchhand begins. The goal of Ranchhand is to clear vegetation alongside highways, making it more difficult for the Vietcong to conceal themselves for ambushes. As the war continues, the scope of Ranchhand increases. Vast tracts of forest are sprayed with "Agent Orange," an herbicide containing the deadly chemical Dioxin. Guerrilla trails and base areas are exposed, and crops that might feed Vietcong units are destroyed.

January 2, 1963 – At the hamlet of Ap Bac, the Vietcong 514th Battalion and local guerrilla forces ambush the South Vietnamese Army's 7th division. For the first time, the Vietcong stand their ground against American machinery and South Vietnamese soldiers. Almost 400 South Vietnamese are killed or wounded. Three American advisors are slain.

April - June 1964 – American air power in Southeast Asia is massively reinforced. Two aircraft carriers arrive off the Vietnamese coast prompted by a North Vietnamese offensive in Laos.

July 30, 1964 – On this night, South Vietnamese commandos attack two small North Vietnamese islands in the Gulf of Tonkin. The U.S. destroyer Maddox, an electronic spy ship, is 123 miles south with orders to electronically simulate an air attack to draw North Vietnamese boats away from the commandos.

August 4, 1964 – The captain of the U.S.S. Maddox reports that his vessel has been fired on and that an attack is imminent. Though he later says that no attack took place, six hours after the initial report, a retaliation against North Vietnam is ordered by President Johnson. American jets bomb two naval bases, and destroy a major oil facility. Two U.S. planes are downed in the attack.

August 7, 1964 – The U.S. congress passes the Gulf of Tonkin Resolution, giving President Johnson the power to take whatever actions he sees necessary to defend southeast Asia.

October 1964 – China, North Vietnam's neighbor and ally, successfully tests an atomic bomb.

November 1, 1964 – Two days before the U.S. presidential election, Vietcong mortars shell Bien Hoa Air Base near Saigon. Four Americans are killed, 76 wounded. Five B-57 bombers are destroyed, and 15 are damaged.

1965

January 1 - February 7 – Vietcong forces mount a series of attacks across South Vietnam. They briefly seize control of Binh Gia, a village only 40 miles from Saigon. Two hundred South Vietnamese troops are killed near Binh Gia, along with five American advisors.

February 7 – A U.S. helicopter base and advisory compound in the central highlands of South Vietnam is attacked by NLF commandos. Nine Americans are killed and more than 70 are wounded. President Johnson immediately orders U.S. Navy fighter-bombers to attack military targets just inside North Vietnam.

February 10 – A Vietcong-placed bomb explodes in a hotel in Qui Nonh, killing 23 American servicemen.

February 13 – President Johnson authorizes Operation Rolling Thunder, a limited but long lasting bombing offensive. Its aim is to force North Vietnam to stop supporting Vietcong guerrillas in the South.

March 2 – After a series of delays, the first bombing raids of Rolling Thunder are flown.

April 3 – An American campaign against North Vietnam's transport system begins. In a month-long offensive, Navy and Air Force planes hit bridges, road and rail junctions, truck parks and supply depots.

April 7 – The U.S. offers North Vietnam economic aid in exchange for peace, but the offer is summarily rejected. Two weeks later, President Johnson raises America's combat strength in Vietnam to more than 60,000 troops. Allied forces from Korea and Australia are added as a sign of international support.

May 11 – Two and a half thousand Vietcong troops attack Song Be, a South Vietnamese provincial capital. After two days of fierce battles in and around the town, the Vietcong withdraw.

June 10 – At Dong Xai, a South Vietnamese Army district headquarters and American Special Forces camp is overrun by a full Vietcong regiment. U.S. air attacks eventually drive the Vietcong away.

June 27 – General William Westmoreland launches the first purely offensive operation by American ground forces in Vietnam, sweeping into NLF territory just northwest of Saigon.

August 17 – After a deserter from the 1st Vietcong regiment reveals that an attack is imminent against the U.S. Marine base at Chu Lai, the American army launches Operation Starlite. In this, the first major battle of the Vietnam War, the United States scores a resounding victory. Ground forces, artillery from Chu Lai, ships and air support combine to kill nearly 700 Vietcong soldiers. U.S. forces sustain 45 dead and more than 200 wounded.

September - October – After the North Vietnamese Army attacks a Special Forces camp at Plei Mei, the U.S. 1st Air Cavalry is deployed against enemy regiments that identified in the vicinity of the camp. The result is the battle of the Ia Drang. For 35 days, the division pursues and fights the 32d, 33d, and 66th North Vietnamese Regiments until the enemy, suffering heavy casualties, returns to bases in Cambodia.

November 17 – Elements of the 66th North Vietnamese Regiment moving east toward Plei Mei encounter and ambush an American battalion. Neither reinforcements nor effective firepower can be brought in. When fighting ends that night, 60 percent of the Americans were casualties, and almost one of every three soldiers in the battalion had been killed.

1966

January 8 – U.S. forces launch Operation Crimp. Deploying nearly 8,000 troops, it is the largest American operation of the war. The goal of the campaign is to capture the Vietcong's headquarters for the Saigon area, which is believed to be located in the district of Chu Chi. Though the area in Chu Chi is razed and repeatedly patrolled, American forces fail to locate any significant Vietcong base.

February – Hoping for head-on clashes with the enemy, U.S. forces launch four search and destroy missions in the month of February. Although there are two minor clashes with Vietcong regiments, there are no major conflicts.

March 5 – The 272nd Regiment of the Vietcong 9th Division attack a battalion of the American 3rd Brigade at Lo Ke. U.S. air support succeeds in bombing the attackers into retreat. Two days later, the American 1st Brigade and a battalion of the 173rd Airborne are attacked by a Vietcong regiment, which is driven away by artillery fire.

April - May – In Operation Birmingham, more than 5,000 U.S. troops, backed by huge numbers of helicopters and armored vehicles, sweep the area around north of Saigon. There are small scale actions between both armies, but over a three week period, only 100 Vietcong are killed. Most battles are dictated by the Vietcong, who prove elusive.

Late May - June – In late May 1966, the North Vietnamese 324B Division crosses the Demilitarized Zone (DMZ) and encounters a Marine battalion. The NVA holds their ground and the largest battle of the war to date breaks out near Dong Ha. Most of the 3rd Marine Division, some 5,000 men in five battalions, heads north. In Operation Hastings, the Marines backed by South Vietnamese Army troops, the heavy guns of U.S. warships and their artillery and air power drive the NVA back over the DMZ in three weeks.

June 30 – On Route 13, which links Vietnam to the Cambodian border, American forces are brutally assaulted by the Vietcong. Only American air and artillery support prevents a complete disaster.

July – Heavy fighting near Con Thien kills nearly 1,300 North Vietnamese troops.

October – The Vietcong's 9th Division, having recovered from battles from the previous July, prepares for a new offensive. Losses in men and equipment have been replaced by supplies and reinforcements sent down the Ho Chi Minh trail from North Vietnam.

September 14 – In a new mission code-named Operation Attleboro, the U.S. 196th Brigade and 22,000 South Vietnamese troops begin aggressive search and destroy sweeps through Tay Ninh Province. Almost immediately, huge caches of supplies belonging to the NLF 9th Division are discovered, but again, there is no head-to-head conflict. The mission ends after six weeks, with more than 1,000 Vietcong and 150 Americans killed.

Late 1966 – By the end of 1966, American forces in Vietnam reach 385,000 men, plus an additional 60,000 sailors stationed offshore. More than 6,000 Americans have been killed in this year, and 30,000 have been wounded. In comparison, an estimated 61,000 Vietcong have been killed. However, their troops now numbered over 280,000.

1967

January - May – Two North Vietnamese divisions, operating out of the DMZ that separates North and South Vietnam, launch heavy bombardments of American bases south of the DMZ. These bases include Khe Sanh, the Rockpile, Cam Lo, Dong Ha, Con Thien and Gio Linh.

January 8 – America forces begin Operation Cedar Falls, which is intended to drive Vietcong forces from the Iron Triangle, a 60 square mile area lying between the Saigon River and Route 13. Nearly 16,000 American troops and 14,000 soldiers of the South Vietnamese Army move into the Iron Triangle, but they encounter no major resistance. Huge quantities of enemy supplies are captured. Over 19 days, 72 Americans are killed, victims mostly of snipers emerging from concealed tunnels and booby traps. Seven hundred and twenty Vietcong are killed.

February 21 – In one of the largest air-mobile assaults ever, 240 helicopters sweep over Tay Ninh province, beginning Operation Junction City. The goal of Junction City is to destroy Vietcong bases and the Vietcong military headquarters for South Vietnam, all of which are located in War Zone C, north of Saigon. Some 30,000 U.S. troops take part in the mission, joined by 5,000 men of the South Vietnamese Army. After 72 days, Junction City ends. American forces succeed in capturing large quantities of stores, equipment and weapons, but there are no large, decisive battles.

April 24 – American attacks on North Vietnam's airfields begin. The attacks inflict heavy damage on runways and installations. By the end of the year, all but one of the North's Mig bases has been hit.

May – Desperate air battles rage in the skies over Hanoi and Haiphong. America air forces shoot down 26 North Vietnamese jets, decreasing the North's pilot strength by half.

Late May 1967 – In the Central Highlands of South Vietnam, Americans intercept North Vietnamese Army units moving in from Cambodia. Nine days of continuous battles leave hundreds of North Vietnamese soldiers dead.

Autumn 1967 – In Hanoi, as Communist forces are building up for the Tet Offensive, 200 senior officials are arrested in a crackdown on opponents of the Tet strategy.

1968

Mid-January – In the remote northwest corner of South Vietnam, elements of three NVA divisions begin to mass near the Marine base at Khe Sanh. The ominous proportions of the build-up lead the U.S. commanders to expect a major offensive in the northern provinces.

January 21 – At 5:30 a.m., a shattering barrage of shells, mortars and rockets slam into the Marine base at Khe Sanh. Eighteen Marines are killed instantly, 40 are wounded. The initial attack continues for two days.

January 30-31 – On the Tet holiday, Vietcong units surge into action over the length and breadth of South Vietnam. In more than 100 cities and towns, shock attacks by Vietcong sapper-commandos are followed by wave after wave of supporting troops. By the end of the city battles, 37,000 Vietcong troops deployed for Tet have been killed. Many more had been wounded or captured, and the fighting had created more than a half million civilian refugees. Casualties included most of the Vietcong's best fighters, political officers and secret organizers; for the guerillas, Tet is nothing less than a catastrophe. But for the Americans, who lost 2,500 men, it is a serious blow to public support.

February 23 – Over 1,300 artillery rounds hit the Marine base at Khe Sanh and its outposts, more than on any previous day of attacks. To withstand the constant assaults, bunkers at Khe Sanh are rebuilt to withstand 82mm mortar rounds.

March 11 – Massive search and destroy sweeps are launched against Vietcong remnants around Saigon and other parts of South Vietnam.

March 16 – In the hamlet of My Lai, U.S. Charlie Company kills about two hundred civilians. Although only one member of the division is tried and found guilty of war crimes, the repercussions of the atrocity is felt throughout the Army. However rare, such acts undid the benefit of countless hours of civic action by Army units and individual soldiers and raised unsettling questions about the conduct of the war.

March 22 – Without warning, a massive North Vietnamese barrage slams into Khe Sanh. More than 1,000 rounds hit the base, at a rate of a hundred every hour. At the same time, electronic sensors around Khe Sanh indicate NVA troop movements. American forces reply with heavy bombing.

April 8 – U.S. forces in Operation Pegasus finally retake Route 9, ending the siege of Khe Sanh. A 77 day battle, Khe Sanh had been the biggest single battle of the Vietnam War to that point. The official assessment of the North Vietnamese Army dead is just over 1,600 killed, with two divisions all but annihilated. But thousands more were probably killed by American bombing.

June – With strong, highly mobile American forces now in the area, and the base no longer needed for defense, General Westmoreland approves the abandonment and demolition of Khe Sanh.

November 1 – After three-and-a-half years, Operation Rolling Thunder comes to an end. In total, the campaign had cost more than 900 American aircraft. Eight hundred and eighteen pilots are dead or missing, and hundreds are in captivity. Nearly 120 Vietnamese planes have been destroyed in air combat or accidents, or by friendly fire. According to U.S. estimates, 182,000 North Vietnamese civilians have been killed. Twenty thousand Chinese support personnel also have been casualties of the bombing.

1969

January – President Richard M. Nixon takes office as the new President of the United States. With regard to Vietnam, he promises to achieve "Peace With Honor." His aim is to negotiate a settlement that will allow the half million U.S. troops in Vietnam to be withdrawn, while still allowing South Vietnam to survive.

February – In spite of government restrictions, President Nixon authorizes Operation Menu, the bombing of North Vietnamese and Vietcong bases within Cambodia. Over the following four years, U.S. forces will drop more than a half million tons of bombs on Cambodia.

February 22 – In a major offensive, assault teams and artillery attack American bases all over South Vietnam, killing 1,140 Americans. At the same time, South Vietnamese towns and cities are also hit. The heaviest fighting is around Saigon, but fights rage all over South Vietnam. Eventually, American artillery and airpower overwhelm the Vietcong offensive.

April – U.S. combat deaths in Vietnam exceed the 33,629 men killed in the Korean War.

June 8 – President Nixon meets with South Vietnamese President Nguyen Van Thieu on Midway Island in the Pacific, and announces that 25,000 U.S. troops will be withdrawn immediately.

April 29 – South Vietnamese troops attack into Cambodia, pushing toward Vietcong bases. Two days later, a U.S. force of 30,000 -- including three U.S. divisions -- mount a second attack. Operations in Cambodia last for 60 days, and uncover vast North Vietnamese jungle supply depots. They capture 28,500 weapons, as well as over 16 million rounds of small arms ammunition, and 14 million pounds of rice. Although most Vietcong manage to escape across the Mekong, there are over 10,000 casualties.

1970's

April 29, 1970 – South Vietnamese troops attack into Cambodia, pushing toward Vietcong bases. Two days later, a U.S. force of 30,000 -- including three U.S. divisions -- mount a second attack. Operations in Cambodia last for 60 days, and uncover vast North Vietnamese jungle supply depots. They capture 28,500 weapons, as well as over 16 million rounds of small arms ammunition, and 14 million pounds of rice. Although most Vietcong manage to escape across the Mekong, there are over 10,000 casualties.

February 8, 1971 – In Operation Lam Son 719, three South Vietnamese divisions drive into Laos to attack two major enemy bases. Unknowingly, they are walking into a North Vietnamese trap. Over the next month, more than 9,000 South Vietnamese troops are killed or wounded. More than two thirds of the South Vietnamese Army's armored vehicles are destroyed, along with hundreds of U.S. helicopters and planes.

Summer 1971 – While herbicides containing Dioxin were banned for use by the U.S. Department of Agriculture in 1968, spraying of Agent Orange continues in Vietnam until 1971. Operation Ranchhand has sprayed 11 million gallons of Agent Orange -- containing 240 pounds of the lethal chemical Dioxin -- on South Vietnam. More than one seventh of the country's total area has been laid waste.

January 1, 1972 – Only 133,000 U.S. servicemen remain in South Vietnam. Two thirds of America's troops have gone in two years. The ground war is now almost exclusively the responsibility of South Vietnam, which has over 1,000,000 men enlisted in its armed forces.

March 30, 1972 – Massed North Vietnamese Army artillery open a shattering barrage, targeting South Vietnamese positions across the DMZ. Upwards of 20,000 NVA troops cross the DMZ, forcing the South Vietnamese units into a retreat. The Southern defense is thrown into complete chaos. Intelligence reports had predicted a Northern attack, but no one had expected it to come on the DMZ.

April 1, 1972 – North Vietnamese soldiers push toward the city of Hue, which is defended by a South Vietnamese division and a division of U.S. Marines. But by April 9, the NVA are forced to halt attacks and resupply.

April 13, 1972 – In an assault spearheaded by tanks, NVA troops manage to seize control of the northern part of the city. But the 4,000 South Vietnamese men defending the city, reinforced by elite airborne units, hold their positions and launch furious counterattacks. American B-52 bombers also help with the defense. A month later, Vietcong forces withdraw.

April 27, 1972 – Two weeks after the initial attack, North Vietnamese forces again battle toward Quang Tri City. The defending South Vietnamese division retreats. By April 29, the NVA takes Dong Ha, and by May 1, Quang Tri City.

July 19, 1972 – With U.S. air support, the South Vietnamese Army begins a drive to recapture Binh Dinh province and its cities. The battles last until September 15, by which time Quong Tri has been reduced to rubble. Nevertheless, the NVA retains control of the northern part of the province.

December 13, 1972 – In Paris, peace talks between the North Vietnamese and the Americans breakdown.

December 18, 1972 – By order of the president, a new bombing campaign starts against the North Vietnamese. Operation Linebacker Two lasts for 12 days, including a three day bombing period by up to 120 B-52s. Strategic surgical strikes are planned on fighter airfields, transport targets and supply depots in and around Hanoi and Haiphong. U.S. aircraft drop more than 20,000 tons of bombs in this operation. Twenty-six U.S. planes are lost, and 93 airmen are killed, captured or missing. North Vietnam admits to between 1,300 and 1,600 dead.

January 8, 1973 – North Vietnam and the United States resume peace talks in Paris.

January 27, 1973 – All warring parties in the Vietnam War sign a cease fire.

March 1973 – The last American combat soldiers leave South Vietnam, though military advisors and Marines, who are protecting U.S. installations, remain. For the United States, the war is officially over. Of the more than 3 million Americans who have served in the war, almost 58,000 are dead, and over 1,000 are missing in action. Some 150,000 Americans were seriously wounded.

January 1974 – Though they are still too weak to launch a full-scale offensive, the North Vietnamese have rebuilt their divisions in the South, and have captured key areas.

August 9, 1974 – President Richard M. Nixon resigns, leaving South Vietnam without its strongest advocate.

December 26, 1974 – The 7th North Vietnamese Army division captures Dong Xoai.

January 6, 1975 – In a disastrous loss for the South Vietnamese, the NVA take Phuoc Long city and the surrounding province. The attack, a blatant violation of the Paris peace agreement, produces no retaliation from the United States.

March 1975 – Another NVA offensive sends 100,000 soldiers against the major cities of Quang Tri, Hue and Da Nang. Backed by powerful armored forces and eight full regiments of artillery, they quickly succeed in capturing Quang Tri province.

March 1, 1975 – A powerful NVA offensive is unleashed in the Central Highlands of South Vietnam. The resulting South Vietnamese retreat is chaotic and costly, with nearly 60,000 troops dead or missing.

March 25, 1975 – Hue, South Vietnam's third largest city, falls to the North Vietnamese Army.

Early April 1975 – Five weeks into its campaign, the North Vietnamese Army has made stunning gains. Twelve provinces and more than eight million people are under its control. The South Vietnamese Army has lost its best units, over a third of its men, and almost half its weapons.

April 29, 1975 – U.S. Marines and Air Force helicopters, flying from carriers off-shore, begin a massive airlift. In 18 hours, over 1,000 American civilians and almost 7,000 South Vietnamese refugees are flown out of Saigon.

April 30, 1975 – At 4:03 a.m., two U.S. Marines are killed in a rocket attack at Saigon's Tan Son Nhut airport. They are the last Americans to die in the Vietnam War. At dawn, the last Marines of the force guarding the U.S. embassy lift off. Only hours later, looters ransack the embassy, and North Vietnamese tanks role into Saigon, ending the war. In 15 years, nearly a million NVA and Vietcong troops and a quarter of a million South Vietnamese soldiers have died. Hundreds of thousands of civilians had been killed.

http://www.pbs.org/battlefieldvietnam/timeline

DPMO ACCOUNTING HISTORY

Immediately after the Paris Peace Accords were signed on January 27, 1973, Operation Homecoming returned the 590 POWs captured in Vietnam, Laos, and Cambodia (two POWs from Vietnam and a Cold War POW were released from China). The MIA families and some government officials, however, expected a greater number of returnees, giving rise to concerns that POWs had been withheld. This fueled urgency of the accounting mission. Although Article Eight of the Accord called for mutual assistance among the parties in accounting for the missing, in the immediate postwar period, continuing hostilities precluded access to many sites. After the POWs came home, the U.S. still listed some 2,646 Americans as unaccounted for, with roughly equal numbers of those missing in action, or killed in action/body not recovered.

Initially, the accounting was to be accomplished by the Four Party Joint Military Team, a temporary organization composed of representatives from the four signatories. U.S. and Republic of Vietnam teams conducted joint but restricted searches from February 1973 to March 1975 for Americans missing in South Vietnam. These met with only limited success, but did recover and identify some 63 servicemen, 23 of whom had died in captivity in North Vietnam, and five who had been killed in Laos. The work was severely limited after the ambush and slaying of U.S. Army Capt. Richard M. Rees by guerrillas on Dec. 15, 1973, and ended completely with the Communist takeover of Vietnam on April 30, 1975.

From that point until September 1990, Vietnam unilaterally returned some 175 remains of missing Americans that they had previously collected and stored. In the 1980s, spurred by suspicions over the withholding of this information and reports by Indochinese refugees that POWs were held, the U.S. re-energized its efforts with high-level policy and technical meetings. Then in August 1987, President Reagan dispatched Gen. John W. Vessey, Jr., USA (Ret.), Special Presidential Emissary to Hanoi on the POW issue, to find ways to resolve these continuing questions. As a result of the Vessey meetings, the Vietnamese permitted U.S. teams to search throughout the country. Joint searches began in Vietnam in September 1988. Parallel arrangements were reached in Laos and Cambodia at about this same time, with occasional targeted investigations in China as leads arose. Continuous joint searches began in April 1988 in Laos, and in October 1991 in Cambodia.

The U.S. then organized its accounting efforts in 1992 into the large-scale field operations that continue to this day. Teams work several periods each year in Vietnam, Laos, and Cambodia alongside their foreign counterparts. Together, they have interviewed thousands of witnesses and conducted archival research in all five countries regarding the fate of missing Americans. Their hard work has resulted in the continuous location of crash and burial sites all over the region, from the highest mountain top to underwater sites. Archeologists and anthropologists use meticulous site exploitation rules to find possible remains and material evidence. This is followed by a scientifically rigorous and forensic process that leads to an identification of the missing service members and their return to family for burial.

Since U.S. government efforts began, the remains of more than 900 Americans killed in the Vietnam War have been returned, identified, and interred with full military honors. As of July 2010, recovery efforts continue in search of 1,713 unaccounted-for Americans. The department takes pride in returning the missing service member to his family and home.

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