WEAPONS WORK U.S. Navy sailors conduct M9 weapons qualification in the early morning hours under the supervision of U.S. Army drill instructors on Fort Jackson, S.C., Oct. 25, 2013. The class prepares active and reserve component sailors for deployment to worldwide combat support and combat service support missions. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 703569-I-SFV30-332.jpg Photo Gallery