Aug. 9, 2020 Reserve Aeromedical Staging Squadron in Pacific welcomes new commander Members of the Air Force Reserve’s 624th Aeromedical Staging Squadron here welcomed a new commander during a change of command ceremony Aug. 8.Col. Edward Johnson, who has nearly 20 years of Air Force experience, took command of the 624th ASTS from Col. Lee Bradshaw, who is retiring after 26 years