RADAR RANGE U.S. Army Pfc. Dustin Clark calibrates the sights on a radar system on Contingency Operating Base Basra, Iraq, June 28, 2009. Clark and other members of Battery E, 4th Battalion, 5th Air Defense Artillery Regiment, out of Fort Hood, Texas, detect mortar and rocket attacks. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 441157-M-AJA21-877.jpg Photo Gallery