U.S. Navy Steelworker 3rd Class Kristopher Poehl, left, and Construction Electrician 2nd Class Joel Shriver, both assigned to Naval Mobile Construction Battalion (NMCB) 15, operate a water well during pre-deployment training Jan. 8, 2013, at Camp Shelby, Miss. NMCB-15 was preparing to deploy to Afghanistan in support of Operation Enduring Freedom. (U.S. Navy photo by Mass Communication Specialist 2nd Class Daniel Garas/Released)