Osterhaus, hull DE-164, belonged to the Cannon class of destroyer escorts. Federal Shipbuilding and Drydock Company, at Port Newark, New Jersey, laid her down on 11 November 1942 and launched her on 18 April 1943. The Navy commissioned her on 12 June 1943. Her first commanding officer was Commander Rowland Haverstick Groff.
Her Pacific duty took her to Espiritu Santo, Bougainville, the Marianas, and Eniwetok. She was credited with 3 battle stars.
Her commissioned service ended on 26 June 1946. She went to the breakers later.
