Flt. Lt. Richard Bush, a RAF exchange officer stationed at Langley Air Force Base, Va., has been working in the weapons tactic shop at the 480th Intelligence, Surveillance and Reconnaissance Wing here for just under 18 months. As part of the exchange program, Bush fills a role normally held by a U.S. officer. In turn, there is a U.S. officer in the United Kingdom filling a British post. (U.S. Air Force photo/Released)