U.S. Army Sgt. Jeremy D. Danner keeps an eye on the flow of concrete as it is unloaded to construct a new helicopter landing pad at the National Training Center in the Mojave Desert, Fort Irwin, Calif., July 21, 2009. Danner is a carpentry and masonry specialist. U.S. Army Sgt. Jeremy D. Danner keeps an eye on the flow of concrete as it is unloaded to construct a new helicopter landing pad at the National Training Center in the Mojave Desert, Fort Irwin, Calif., July 21, 2009. Danner is a carpentry and masonry specialist. SHARE: Download: Full Size (4.68 MB) Tags: photo essays Credit: VIRIN: 162547-R-HVO83-085.jpg Photo Gallery