MARINE MANEUVERS U.S. Marines maneuver an amphibious assault vehicle towards the USS Germantown during the Amphibious Landing Exercise, PHIBLEX 15, in the Sulu Sea in the Philippines, Oct. 2, 2014. PHIBLEX is an annual bilateral training exercise involving U.S. and Philippine forces. The Marines are assigned to the 31st Marine Expeditionary Unit. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 470373-K-SXU85-237.jpg Photo Gallery