U.S. Marines with the 1st Law Enforcement Battalion, I Marine Information Group, fire an M2 Browning .50-caliber machine gun during a live fire training exercise on Camp Pendleton, Calif., Oct. 24, 2017.
The importance of this exercise was to prepare the Marines for their upcoming deployment with the 13th Marine Expeditionary Unit. (U.S. Marine Corps photo by Lance Cpl. Anabel Abreu Rodriguez) Original public domain image from Flickr