Stryker Fire A soldier in an M1130 Stryker vehicle fires a .50-caliber machine gun at mock enemy elements during a training event at the National Training Center at Fort Irwin, Calif., Oct. 1, 2018. SHARE: Download: Full Size (3.78 MB) Tags: Army Credit: Pvt. Brooke Davis VIRIN: 181001-A-IZ078-603Y.JPG Photo Gallery