TAKING COVER U.S. Air Force Senior Airman Stephen Held takes a break under an aircraft to hide from the snow during an exercise on the flight line at Mountain Home Air Force Base, Idaho, Nov. 21, 2010. Held, a crew chief, is assigned to the 391st Fighter Squadron. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 929015-U-GHP77-237.jpg Photo Gallery