|Mission 311: 803 bombers and 859 fighters are dispatched to hit a marshalling yard at Hamm, Germany; the bombers claim 20-6-8 Luftwaffe aircraft and the fighters claim 40-2-16; 15 bombers and 13 fighters are lost:
1. 459 of 526 B-17s bomb the primary, 20 hit Bonn, 19 hit Soest, 15 hit Hamm City and 1 hits a target of opportunity; 8 B-17s are lost, 1 is damaged beyond repair and 138 are damaged; casualties are 7 WIA and 89 MIA.
2. 179 of 277 B-24s hit the primary, 50 hit Koblenz and 36 hit targets of opportunity; 7 B-24s are lost, 14 damaged beyond repair and 59 damaged; casualties are 46 KIA, 28 WIA and 64 MIA.
Escort is 132 P-38s, 485 Eighth and Ninth Air Force P-47s and 242 Eighth and Ninth Air Force P-51s; 2 P-38s, 5 P-47s and 6 P-51s are lost, 1 P-38 is damaged beyond repair and 22 aircraft are damaged; casualties are 1 WIA and 12 MIA.
Mission 312: 5 of 5 B-17s drop 1.44 million leaflets on Orleans, Tours, Paris, Nantes, Lille, Reims, Chartres and Rouen, France at 2251-2344 hours without loss.
Units arriving in England from the US: HQ 398th Bombardment Group (Heavy) and 600th, 601st, 602d and 603d Bombardment Squadrons (Heavy) at Nuthampstead with B-17s (first mission is 6 May); 844th, 845th, 846th and 847th Bombardment Squadrons (Heavy), 489th Bombardment Group (Heavy), at Halesworth with B-24s (first mission is 30 May).