The 1st Battalion, 327th Infantry Regiment was retained as a reserve force at Tuy Hoa Air Base, while the 2/327th Infantry and the 2nd Battalion, 502nd Infantry Regiment patrolled the rice-growing plains and the western foothills.
In early April, 2/502nd Infantry was rotated to Tuy Hoa Air Base and 1/327th and 2/327th began a block and sweep operation in the mountains northwest of Tuy Hòa. On 7 April a company from 1/327th engaged an entrenched company-sized force, killing 28 defenders.
Given that the PAVN had apparently withdrawn from the Tuy Hòa Valley, on 9 April 1/327th and 2/502nd were redeployed, leaving only the 2/327th Infantry to continue operations.:194
Operation Fillmore officially concluded on 21 July, the US claimed PAVN losses were 134 killed and 35 captured, U.S. losses were 8 killed.:194
This article is a list of known military operations of the Vietnam War in 1966, conducted by the armed forces of the Republic of Vietnam, the United States and their allies.
Easter Offensive (1972)
Post-Paris Peace Accords (1973–1974)