March 21st, 1944 (TUESDAY)
UNITED KINGDOM: Sloop HMS Lapwing commissioned.
GERMANY: U-3501 laid down.
BURMA: Air Commando Combat Mission N0. 34 2:50 Flight time. Hailakandi, Assam to Meza, Burma. Bombed Meza bridge. It was successful. (Chuck Baisden)
NEW GUINEA: Over 140 Fifth Air Force A-20s, B-24s, B-25s, P-38s and P-40s attack targets in the Hansa Bay-Tadji-Wewak-Schouten Islands area.
CANADA: Frigate HMCS Springhill commissioned.
U.S.A.: Destroyer escort USS Whitehurst laid down.
Destroyer escort USS Walton laid down.
Escort carrier USS Shipley Bay commissioned.
Destroyer escort USS Eversole commissioned.
Destroyer escort USS Lloyd E Acree launched.