U.S. Marines assigned to mortar section, Fox Company, 2nd Battalion, 3rd Marine Regiment (2/3), fire the M224 60 mm mortar system during various courses of fire at Range 106 aboard Camp Wilson, Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Jan. 20, 2015. Fox Company is increasing their proficiency in skills pertaining to their Military Occupational Specialty (MOS) prior to upcoming events for Integrated Training Exercise (ITX). (U.S. Marine Corps photo by Lance Cpl. Aaron S. Patterson, MCBH Combat Camera/Released)