Airmen retrieve boxes of 5.56 mm ammunition in preparation for M4 carbine qualification on Joint Base McGuire-Dix-Lakehurst, N.J., March 8, 2015. The airmen are assigned to the New Jersey Air National Guard's 108th Wing. Airmen retrieve boxes of 5.56 mm ammunition in preparation for M4 carbine qualification on Joint Base McGuire-Dix-Lakehurst, N.J., March 8, 2015. The airmen are assigned to the New Jersey Air National Guard's 108th Wing. SHARE: Download: Full Size (1.88 MB) Tags: Photo Essays Credit: VIRIN: 665376-T-DHH41-649.jpg Photo Gallery