NEW AMMO Tech. Sgt. Chris Lakkala, left, regulates the rate of operation for the replenisher tray as it feeds PGU-28A/B 20mm cannon rounds into the universal ammunition loading system while Tech. Sgt. J.C. Whitney prepares more rounds to load through the replenisher Feb. 25, 2007,at Balad Air Base, Iraq. The new ammo allows for higher velocity, a greater standoff distance and increased safety for pilots, all contributing to greater effectiveness while providing close-air support. Its use Feb. 26, 2007, SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 064280-G-MEO03-160.jpg Photo Gallery