 On 11 May 1969 the base was attacked by an estimated 600 People's Army of Vietnam (PAVN) troops, resulting in 11 U.S. and approximately 100 PAVN killed and 3 U.S. captured.On 30 October 1970 the base, occupied by 6th Battalion, 14th Artillery and elements of B Battery, 4th Battalion, 60th Artillery, was attacked by the PAVN, resulting in 3 U.S. deaths and 20 U.S. wounded.Other units stationed at Oasis included