The XXI Bomber Command was a unit of the Twentieth Air Force in the Mariana Islands for strategic bombing during World War II.
29th Bombardment Group North Field Guam 1945
39th Bombardment Group B-29 Superfortress dropping 500 pound high-explosive bombs over Japan. Note the high winds in the jet stream scattering the bombs, making precision bombing ineffective from high altitudes.
42-65286 1st Bomb Squadron, 9th Bombardment Group, the first to land on Iwo Jima, 4 March 1945.
Formation of 19th Bombardment Group B-29 Superfortresses 1945
The 505th Bombardment Group is an inactive United States Air Force unit. Its last assignment was with Thirteenth Air Force, stationed at Clark Field, Philippines, where it was inactivated on 30 June 1
Group B-29s at North Field, Tinian July 1945