Republic of Singapore Air Force Lt. Gen. Ng Chee Meng, Chief of Defense Force, receives a briefing during a tour of the 480th Intelligence Surveillance Reconnaissance Wing at Langley Air Force Base, Va., Aug. 20, 2014. The tour provided agencies at Joint Base Langley-Eustis, Va., an opportunity to strengthen bonds between the U.S. military and Singapore. (U.S. Air Force photo by Senior Airman Kayla Newman/Released)