150302-N-KD168-003 - GULF OF ADEN - Naval Aircrewman 3rd Class Neil Halvorsen, a Walworth, N.Y., native, performs maintenance on an MH-60S Seahawk from Helicopter Sea Combat Squadron 28 on the flight deck of amphibious assault ship USS Iwo Jima. Iwo Jima is the flagship for the Amphibious Ready Group and, with the embarked 24th Marine Expeditionary Unit, provides a versatile sea-based, expeditionary force that can be tailored to a variety of missions in the U.S. 5th Fleet area of operations.