David Annas, Saab Barracuda engineering manager, teaches Soldiers assigned to B Company, 2nd Battalion, 34th Armor Regiment, how to set up a Solar Shade System July 9, 2014, in an effort to reduce the fuel and energy used to cool the shelter. The solar shade is an ultra-lightweight camouflage net system used to save operational energy by reducing fuel cost. (U.S. Army photo by Sgt. Woodbridge Dean Bullock, U.S. Army Central)