U.S. Marines
#USMarines and #Sailors with 1st Marine Division, 3rd Marine Aircraft Wing, 1st Marine Logistics Group and Expeditionary Strike Group 3 conduct Dawn Blitz and Steel Knight (DB/SK) 21 across Southern California, Exercise DB/SK 21 provides effective and intense training in an expeditionary environment to ensure 1st Marine Division remains lethal, combat-ready, interoperable, and deployable on short notice. #USMarineCorps video by Cpl. Sahara Luna