Defensive Fighting Soldiers take up a defensive fighting position while an AH-64 Apache attack helicopter demonstrates aerial security during a simulated coordinated opposing forces attack, July 25, 2016, as part of Arctic Anvil 2016, an exercise near Fort Greely, Alaska. Air Force photo by Justin Connaher SHARE: Download: Full Size (0.5 MB) Credit: Justin Connaher VIRIN: 160725-F-LX370-768C.JPG Photo Gallery