The Back River spills over the seawall into Eagle Park at Langley Air Force Base, Va., during Hurricane Sandy, Oct. 29, 2012. The 633rd Civil Engineer Squadron provides a biweekly Base Emergency Preparedness Orientation class for anyone new to the installation to provide information and resources they may need in case of a natural disaster such as a hurricane or flood. (U.S. Air Force photo by Staff Sgt. Antoinette Gibson/Released)