Randolph Bromery was a member of a group of airmen that formed which groups of the United States Army Air forces ?
Tuskegee Airmen is the popular name of a group of African-American military pilots (fighter and bomber) who fought in World War II. Officially, they formed the 332nd Fighter Group and the 477th Bombardment Group of the United States Army Air Forces. The name also applies to the navigators, bombardiers, mechanics, instructors, crew chiefs, nurses, cooks and other support personnel for the pilots.
640th Bombardment Squadron The 640th Bombardment Squadron is an inactive United States Army Air Forces unit. After training with Douglas A-20 Havocs in the United States the squadron deployed to the European Theater of World War II, where it engaged in combat until the Surrender of Germany. It was last assigned to the 409th Bombardment Group at Westover Field, Massachusetts, where it was inactivated on 7 November 1945.