Operation Toan Thang I

Operation Toan Thang I
	Part of Vietnam War
	; M113s attack PAVN positions, 18 April 1968
Date	8 April – 31 May 1968
Location	III Corps, South Vietnam
Result	Allies claim operational success
Belligerents
South Vietnam; United States; Australia; New Zealand; Thailand	Viet Cong
Commanders and leaders
LTG Đỗ Cao Trí; LTG Frederick C. Weyand	;
Units involved
1st Taskforce; 5th Ranger Group; 5th Division; 25th Division; 18th Division; 25th Infantry Division; 11th Armored Cavalry Regiment; 199th Light Infantry Brigade; 1st Australian Task Force; Royal Thai Army Expeditionary Division; 9th Infantry Division	9th Division
Casualties and losses
762 killed; 564 killed; Others: 23 killed	US/Allied claim: 7,645 killed; 1,708 captured; 3,098 weapons recovered

Operation Toan Thang I ("Complete Victory") was a U.S. Army, Army of the Republic of Vietnam (ARVN), 1st Australian Task Force and Royal Thai Volunteer Regiment operation conducted between 8 April and 31 May 1968 in the Vietnam War. The operation was part of a reaction to the Tet Offensive designed to put pressure on Vietcong (VC) and People's Army of Vietnam (PAVN) forces involving the South Vietnamese III Corps.

^ ^a ^b "The Defense of Saigon" (PDF). Project CHECO, Pacific Air Force. 14 December 1968. p. 9. Archived from the original (PDF) on 17 June 2018. Retrieved 27 June 2018.