>>787 COMBINED SUMMARY OF 20TH AIR FORCE & 9TH GROUP OPERATIONS 20TH AIR FORCE 9TH BOMB GROUPC From June 5, 1944 on From February 9, 1945 on Missions 380 75 Sorties Combat 31,387 1843 Other 1,617 169 Total 33,004 2012 Bomb and mine tonnage 171,060 11,376 B-29 losses Combat losses 494 14 + 5 non-combat Training losses in U.S. 260 1 Air crew losses Killed 576 26 + 1 ground crewman Missing 2,406 96 (12 repatriated) Wounded or injured 433 30