U.S. Marines
U.S. Marines with the Infantry Unit Leader Course, Advanced Infantry Training Battalion, School of Infantry – West, fire M252 81mm mortar systems aboard #Marine Corps Base Camp Pendleton, California, June 25, 2020. The Infantry Unit Leader Course trains #Marines to serve platoon sergeants for the various types of small units they may lead while serving with an infantry battalion. (U.S. Marine Corps video by Lance Cpl. Anthony Alvarez)