151102-N-YD641-184 BUSAN, South Korea (Nov. 2, 2015) Aviation Boatswain's Mate (Handling) Airman Sergio Roberts, from El Paso, Texas, center, explains the features of a flight deck tractor to guests during a tour of the U.S. Navy's only forward-deployed aircraft carrier USS Ronald Reagan (CVN 76). Ronald Reagan and its embarked air wing, Carrier Air Wing (CVW) 5, provide a combat-ready force that protects and defends the collective maritime interests of the U.S. and its allies and partners in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman Matthew Riggs/Released)