ATLANTIC OCEAN (March 15, 2021) Sailors with Assault Craft Unit 2 man a .50-caliber machine gun as they approach the beach line as part of an amphibious assaultduring Composite Unit Training Exercise (COMPTUEX) at Camp Lejeune, N.C., March 15, 2021. COMPTUEX is a month-long training event designed to test Amphibious Ready Groups and MEUs' capabilities against the full spectrum of military operations. (U.S. Marine Corps photo by 1st Lt. Mark Andries)