Of the '' Canopu ' '' crew , 221 were evacuated to Corregidor on 28 February 1942 and served with the Marines ' 1st , 2nd , and 3rd Battalions on beach defenses . The final 327 crewmen were also evacuated to Corregidor and served in the 4th Marine Regiment 's 4th Battalion Reserves ( Provisional ) which fought during the final battle for the island fortress . Nearly all '' Canopus '' crewmen were captured at the fall of Corregidor and spent the rest of the war in Japanese prisoner of war ( POW ) camps in the Philippines and the Asian mainland . Some of the captured crew did not survive , but were killed on 14 December 1944 in the Palawan massacre
Palawan massacre
Palawan massacre
USS Canopus (AS-9)