U.S. Navy Aviation Boatswain's Mate Airman Nathan Hailey guides a Marine Corps MV-22 Osprey tiltrotor aircraft attached to the 31st Marine Expeditionary Unit as it takes off from the amphibious assault ship USS Peleliu (LHA 5) during Amphibious Landing Exercise (PHIBLEX) 15 in the Philippine Sea Oct. 3, 2014. PHIBLEX is a bilateral training exercise designed to improve the interoperability, readiness and professional relationships between the U.S. Marine Corps and partner nations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Dustin Knight/Released)