U.S. Marine Corps Cpl. Robert G. Sutton, left, and Cpl. Moses E. Perez, field wireman with Combat Logistics Regiment 15 install new solar panels on Combat Outpost Shukvani, Helmand province, Afghanistan, Nov. 19, 2012. Sutton and Perez installed the solar panels to provide power to radios, laptops, and computers in the event of power outages.(U.S. Marine Corps photo by Lance Cpl. Alexander Quiles/Released)