Staff Sgt. Lee T. Teigen and Tech. Sgt. Daniel C. Grimestad wear personal protective equipment. U.S. Air Force Staff Sgt. Lee T. Teigen (left) and Tech. Sgt. Daniel C. Grimestad wear personal protective equipment as they practice cleaning up a simulated hazardous material spill under an F-16 Fighting Falcon aircraft during a training exercise at the North Dakota Air National Guard, Fargo, N.D., on May 18, 2006. Teigen and Grimestad are attached to the 119th Maintenance Squadron. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 390439-G-NMT38-909.jpg Photo Gallery