A CH-53K King Stallion belonging to Air Test and Evaluation Squadron (HX) 21 prepares to land aboard the USS Wasp (LHD 1) during sea trials to establish the helicopter's performance envelope for day and night launches and recoveries at a wide range of wind speeds. (U.S. Navy photo)

A CH-53K King Stallion assigned to Air Test and Evaluation Squadron (HX) 21 prepares to land aboard the USS Wasp (LHD 1) during sea trials to establish the helicopter's performance envelope for day and night launches and recoveries at a wide range of wind speeds. (U.S. Navy photo)