PERIMETER SETTERS As seen through a night-vision device, Marines set a perimeter around a landing zone prior to departing the objective area as part of a simulated precision raid during Realistic Urban Training Marine Expeditionary Unit Exercise 14-1 on Fort Hunter Liggett, Calif., March 24, 2014. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 140499-D-WUA35-635.jpg Photo Gallery