Staff Sgt. Jordan Stipcak, emergency management trainer, radios to emergency management supervisors that a barrier stretched across a stream is installed properly during a fuel spill exercise Sept. 16, 2011, at Joint Base McGuire-Dix-Lakehurst, N.J. The barrier was stretched across a stream to collect any fuel that may have spilled into it. (U.S. Air Force photo/Airman 1st Class Dennis Sloan)