CONTROLLED BLAST U.S. Air Force Tech. Sgt. Matthew Rigsby and Air Force Staff Sgts. Devlin Long and Scott Underdoll detonate a controlled disposal of an improvised explosive device near Espandi, Afghanistan, Jan. 10, 2011. Rigsby, Long and Underoll, all explosive ordnance disposal technicians, are assigned to Forward Operating Base Ghazni. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 145473-Z-SWE94-992.jpg Photo Gallery