Staff Sgt. Tacota Lemuel inspects the exhaust of an F-16 Fighting Falcon aircraft. U.S. Air Force Staff Sgt. Tacota Lemuel inspects the exhaust of an F-16 Fighting Falcon aircraft during maintenance at Kelly Air Field, Texas, on Nov. 5, 2010. Lemuel, a crew chief, is assigned to the Thunderbirds, the Air Force Air Demonstration Squadron. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 219411-H-UMW50-359.jpg Photo Gallery