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 IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 145473-Z-SWE94-992.jpg Photo Gallery