Geraldine J Donohue, a nurse at the shipyard first aid station, christened this ship at American Ship Building in Lorain OH on March 13, 1943 she was commissioned 14 October 1943, Lt. Comdr. A. M. White in command.

Knave sailed for the Virginia Capes 24 October 1943, via the St. Lawrence River arriving Norfolk 24 November. After a brief period as school ship at Little Creek, Va., Knave departed Hampton Roads for Rio de Janeiro via Trinidad, B.W.I., and Recife, Brazil, arriving 11 February 1944. She swept Brazilian waters until 4 April when she began 9 months of escorting convoys between Trinidad and Recife. On 1 January 1945, she got underway for the United States, escorting Pleiades (AK-46) and arrived Miami, Fla., 15 January.

After overhaul at Miami, Knave served as school ship at the Naval Training Center, Miami and at Yorktown, Va., visiting Charleston, Hew Haven, and Norfolk. Detached from school ship duty 11 February 1948, Knave sailed from Norfolk to Orange, Tex., arriving 21 February.

Knave decommissioned and was placed in reserve at Orange Texas on 1 May 1946. While in reserve Knave was reclassified MSF-256, sold to the Mexican Government 2 October 1962, and renamed DM-13.