Eat this Lt. Gregory Cranmer, a supervisor security guard at White Sands Missile Range, N.M., opens fire on soldiers from 10th Mountain Division using blank ammunition during exercise Vigilant Shield, Nov. 2, 2017. The guards acted as an opposing force that had seized a key infrastructure facility. Army photo by John Hamilton SHARE IMAGE: Download Image: Full Size (0.64 MB) Tags: White Sands Missile Range, WSMR, Army North, Vigilant Shield, 10th mountain, Domestic Defense Photo By: John Hamilton VIRIN: 171102-A-UY615-233.JPG Photo Gallery