JBSA | Live Fire: Trainees take Lightweight Machine Gun Course at JBSA-Camp Bullis Published Oct. 13, 2022 By Brian Boisvert 502nd Air Base Wing Public Affairs JOINT BASE SAN ANTONIO-CAMP BULLIS, Texas -- Trainees participated in the live firing portion of the Lightweight Machine Gun Course from the 37th Training Wing at Joint Base San Antonio-Camp Bullis Oct. 3, 2022. The course is two weeks long, culminating in three days where students familiarize themselves with weapons by live firing in multiple conditions. It is designed to ready students for mission demands on day one of assignment at their new base where this training is not available.