JOINT TRAINING Polish Army 1st Lt. Tomasz Grzeszczyszyn teaches U.S. Army and Navy explosive ordnance disposal technicians from Camp Echo, Iraq, how to properly handle an RPG-7 grenade launcher during a joint training exercise in Diwaniyah, Iraq, Dec. 26, 2006. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 626620-C-JPY26-926.jpg Photo Gallery