An MH-60S Seahawk helicopter takes off from the flight deck of the Wasp-class amphibious assault ship USS Essex in the Pacific Ocean, March 7, 2018. The crew is assigned to Helicopter Sea Combat Squadron 21. Essex Amphibious Ready Group is completing the Navy’s first full-length surface warfare advanced tactical training exercise, led by the Naval Surface and Mine Warfighting Development Center and designed to increase warfighting proficiency, lethality and interoperability of participating units. Navy photo by Seaman Sabyn L. Marrs