A civilian instructor loads a tracer training round into a Carl Gustav M3 84mm recoilless rifle during a certification course for paratroopers on Fort Bragg, N.C., Dec. 6, 2011. Though it only fires a 7.62mm tracer, the training modules look and feel similar to the actual projectiles that can be fired from the weapon. A civilian instructor loads a tracer training round into a Carl Gustav M3 84mm recoilless rifle during a certification course for paratroopers on Fort Bragg, N.C., Dec. 6, 2011. Though it only fires a 7.62mm tracer, the training modules look and feel similar to the actual projectiles that can be fired from the weapon. SHARE: Download: Full Size (2.71 MB) Tags: Photo Essays Credit: VIRIN: 361835-P-ONX94-451.jpg Photo Gallery