菲律宾克拉克空军基地,雷霆对抗 89-5 联合空中作战演习中,美国空军第18战术战斗机联队(18TFW)的 F-15C 战斗机机群在维护。(Ground crewmen perform maintenance on three 18th Tactical Fighter Wing (18th TFW) F-15C Eagle aircraft during Exercise Cope Thunder 89-5. The 18th TFW is based at Kadena Air Base, Okinawa.)