PACIFIC OCEAN (Dec. 5, 2020) U.S. Marines with 1st Battalion, 5th Marines, 1st Marine Division, load onto an MV-22B Osprey with Marine Medium Tiltrotor Squadron 165, Marine Aircraft Group 16, 3rd Marine Aircraft Wing, aboard the Wasp-class amphibious assault ship USS Essex (LHD 2) during exercise Steel Knight/Dawn Blitz (SK/DB) 21 off the coast of southern California, Dec. 5, 2020. Exercise SK/DB 21 will test the 1st Marine Division's ability to facilitate Marine Air-Ground Task Force operations afloat and ashore to sustain its capabilities as a full-spectrum force in readiness against a capable peer or near-peer adversary. (U.S. Marine Corps photo by Lance Cpl. Juan Anaya)