Working on the Luzon operation in the Lingayen Gulf landings from 9 to 18 January 1945.

Worked in the Vietnamese Counteroffensive - Phase II from 28 July to 1 August 1966.

Serviced in the Vietnamese Counteroffensive - Phase VII from 19 to 22 May 1971, 7 to 23January 1973 and 21 February to 21 March 1973.

Chowanoc was sold to the Ecuadorian Navy on 1 October 1977 under the Security Assistance Program and renamed BAE Chimborazo (RA-70).

On 2 March 2020, Chimborazo was quarantined for two weeks at Guayaquil South Naval Base after a member of its 50-person crew was discovered to have been in contact with someone infected with COVID-19.