Randolph Bromery was a member of a group of airmen that formed which groups of the United States Army Air forces ?
Randolph Bromery Randolph W. ("Bill") Bromery (January 18, 1926 – February 26, 2013) was an African-American educator and geologist, and a former Chancellor of the University of Massachusetts Amherst (1971–79). While Chancellor, Bromery established the W.E.B. Du Bois Archives at the University of Massachusetts, and was one of the initiators of the Five College Consortium. He was also President of the Geological Society of America, and has made numerous contributions as a geologist and academic. During World War II, he was a member of the Tuskegee Airmen, flying missions in Italy.
91st Bombardment Group The 91st Bomb Group (Heavy) was an air combat unit of the United States Army Air Forces during the Second World War. Classified as a heavy bombardment group, the 91st operated B-17 Flying Fortress aircraft and was known unofficially as "The Ragged Irregulars" or as "Wray's Ragged Irregulars", after the commander who took the group to England. During its service in World War II the unit consisted of the 322nd, 323rd, 324th, and 401st Bomb Squadrons. The 91st Bomb Group is most noted as the unit in which the bomber "Memphis Belle" flew, and for having suffered the greatest number of losses of any heavy bomb group in World War II.