Osteroos becomes 412th OSS CC Published July 16, 2012 By 412th Air Base Wing Public Affairs EDWARDS AIR FORCE BASE, Calif. -- Col. Christopher Azzano, 412th Operations Group commander (left), hands Lt. Col. Ryan Osteroos the 412th Operations Support Squadron guidon during a change of command ceremony July 11, 2012. Osteroos assumed command of the squadron from Lt. Col. Aaron Reed who is retiring. Osteroos comes to Edwards from the Air Force Academy where he served as the assistant professor for the Air Force Academy's Aeronautics Department.