Marines set up a Browning M2 .50-caliber machine gun prior to a weapons familiarization range at Marine Corps Base Camp Lejeune, North Carolina, Aug. 27, 2015. More than 100 Marines from Marine Air Support Squadron 1 honed their weapons skills with the M240B machine gun, Browning M2 .50 caliber machine gun and the M1014 combat shotgun. Marines from various military job specialties received hands-on experience that allowed them to improve crucial skills and become well-rounded war fighters. - Marines set up a Browning M2 .50-caliber machine gun prior to a weapons familiarization range at Marine Corps Base Camp Lejeune, North Carolina, Aug. 27, 2015. More than 100 Marines from Marine Air Support Squadron 1 honed their weapons skills with the M240B machine gun, Browning M2 .50 caliber machine gun and the M1014 combat shotgun. Marines from various military job specialties received hands-on experience that allowed them to improve crucial skills and become well-rounded war fighters.