PACIFIC OCEAN (March 2, 2015) - Boatswain's Mate Seaman Sam Simeon searches the night sky for possible air contacts while standing lookout watch aboard the Wasp-class amphibious assault ship USS Essex (LHD 2). Essex is underway conducting an amphibious squadron and Marine expeditionary unit integration training exercise with Amphibious Squadron (PHIBRON) 3 and the 15th Marine Expeditionary Unit in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sean P. Gallagher)