Three MV-22B Osprey tiltrotor aircraft prepare to land aboard the USS Bonhomme Richard during Valiant Shield 16 off the coast of the Northern Mariana Islands in the Philippine Sea, Sept. 20, 2016. Valiant Shield is a biennial Air Force, Navy and Marine Corps exercise focused on sustaining joint forces at sea, in the air, on land and in cyberspace. Marine Corps photo by Cpl. Samantha Villarreal