Operation Jefferson Glenn

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Operation Jefferson Glenn
Part of the Vietnam War
Date September 5, 1970 – October 8, 1971
Location Thừa Thiên–Huế Province, South Vietnam
Result U.S. and South Vietnamese victory
 United States
 South Vietnam
 North Vietnam
Provisional Revolutionary Government of the Republic of South Vietnam Viet Cong
Units involved

Flag of the United States.svg 101st Airborne Division (Airmobile) 1st Brigade, 5th Infantry Division (Mechanized)

Flag of South Vietnam.svg 1st ARVN Division
Casualties and losses
2,026 casualties
(U.S. estimate)

Operation Jefferson Glenn ran from September 5, 1970 to October 8, 1971 and was the last major operation in which U.S. ground forces participated in Vietnam and the final major offensive in which the 101st Airborne Division fought..[1] This was a joint military operation combining forces of the 101st Airborne and the 1st Infantry Division of the Army of the Republic of Vietnam (ARVN). The purpose of this operation was to shield critical installations in Huế and Da Nang by patrolling communist rocket belts along the edge of the mountains. During the 399 days of operations the allied troops established multiple firebases throughout Thua Thien Province and regularly encountered North Vietnamese Army (NVA) and Viet Cong (VC) troops.[2]

Fire Support Base Ripcord located near the A Shau Valley in Thua Thien Province in 1970

President Richard Nixon had begun his Vietnamization program in the summer of 1969; the objective was to increase the combat capability of the South Vietnamese forces so that they could assume responsibility for the war against the Viet Cong and the North Vietnamese forces as U.S. combat units were withdrawn and sent home. Shortly after the completion of Jefferson Glenn, the 101st Airborne began preparations to depart South Vietnam and subsequently began redeployment to the United States in March 1972.[3] They reported 2,026 enemy casualties.


  1. ^ Summers Jr., Harry G. (1985). The Vietnam War Almanac. New York: Random House. p. 55. ISBN 0-7394-4290-2. OCLC 9730994. 
  2. ^ Olson, James S. (2008). In Country: The Illustrated Encyclopedia of the Vietnam War. New York: Metro Books. p. 428. ISBN 978-1-4351-1184-4. OCLC 317495523. 
  3. ^ "U.S. forces launch last major American operation of the war". History. Retrieved 22 December 2016.