Loaded ships eastbound CU convoys

most of cu , uc convoys screened escort division (cortdiv) of 6 destroyer escorts uss peterson. peterson teamed uss joyce , uss gandy sink u-550 after submarine torpedoed tanker pan-pennsylvania convoy cu 21.

nine tankers departed curaçao convoy cu 1 on 20 march 1943 , arrived in liverpool on 1 april. additional sailings curaçao cu 2 in june, cu 3 in july, cu 4 in september, , cu 6 in november. convoy cu 5 first originate in new york on 13 october 1943. approximately 3 or 4 cu convoys sailed new york each month december 1943 through may 1945. convoys cu 23, cu 24, cu 28, cu 30, cu 33, , cu 35 included troopships , identified tcu prefix. convoy cu 24 sailed in 2 sections troopships in tcu 24a , ammunition ships in tcu 24b.

a total of 2255 ships crossed atlantic in cu convoys until convoy cu 73 made last departure new york on 30 may 1945.

submarines sank 3 loaded united states tankers cu convoys:

u-311 torpedoed seakay in convoy cu 17 on 19 march 1944.
u-550 torpedoed pan-pennsylvania in convoy cu 21 on 16 april 1944.
u-482 torpedoed jacksonville in convoy cu 36 on 30 august 1944.




^ franklin, bruce hampton (1999) buckley-class destroyer escorts naval institute press isbn 1-55750-280-3 pp.192-195
^ cressman, robert j. official chronology of u. s. navy in world war ii naval institute press 2000 isbn 1-55750-149-1 p.223
^ hague, arnold allied convoy system 1939-1945 naval institute press 2000 isbn 1-55750-019-3 p.184
^ blair, clay hitler s u-boat war - hunted 1942-1945 random house 1998 isbn 0-679-45742-9 pp.811-812