U.S. Marine Corps Lance Corporal Colt Salsburg, a M27 Infantry Automatic Rifleman with 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve and a member of 1st Squad hurls a grenande from the prone position during the Combat Marksmanship Endurance Test Grenade Assault Range in the Small Arms Complex on Joint Base Elmendorf-Richardson, Alaska, Aug. 8, 2017. The Marines and Sailors tested their abilities to conduct the full spectrum of infantry operations during the competition for the title of 4th Marine Division Super Squad. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)