Crew chiefs of U.S. Marine Corps MV-22B Osprey assigned

Crew chiefs of U.S. Marine Corps MV-22B Osprey assigned to Marine Medium Tiltrotor Squadron 265, Marine Corps Air Station Futenma, Okinawa, Japan, perform pre flight procedures to their aircraft on the flightline of Wing 41 Royal Thai Air Force base Feb. 21 in Chiang Mai province, Kingdom of Thailand, during exercise Cobra Gold 2013 Feb. 5. CG 13, in its 32nd iteration, is designed to advance regional security and ensure effective response to regional crises by exercising a robust multinational force from nations sharing common goals and security commitments and is the largest multinational exercise in the Asia-Pacific region. (Official USMC photograph by Staff Sgt. Andrew D. Pendracki/ Released)