160916-M-PJ332-519.JPG - A MV-22B Osprey belonging to Marine Medium Tiltrotor Squadron 262 (Reinforced) prepares to land on Farallon de Medinilla Range, Commonwealth Northern Mariana Islands, Sept. 16, 2016. Valiant Shield is a biennial U.S. Air Force, Navy and Marine Corps exercise held in Guam, focusing on real-world proficiency in sustaining joint forces at sea, in the air, on land and in cyberspace. (U.S. Marine Corps photo by Staff Sgt. T.T. Parish)