Navy Petty Officer 3rd Class Michael Whisenhunt shaves during a field training exercise on Fort Hunter Liggett, Calif., Sept. 28, 2015. Whisenhunt, a construction electrician, is assigned to Naval Mobile Construction Battalion 4. The exercise tests the battalion's ability to enter hostile locations, build assigned construction projects and defend against enemy attacks, using realistic scenarios. U.S. Navy photo by Petty Officer 1st Class Rosalie Chang