SMOOTH OPERATOR U.S. Army Spc. Gereld J. Moore carefully smoothes newly poured concrete as his unit constructs a helicopter landing pad at the National Training Center in the Mojave Desert, Fort Irwin, Calif., July 21, 2009. Moore is a combat engineer assigned to the 327th Combat Engineer Company. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 748022-A-JTZ01-634.jpg Photo Gallery