Smoke Cover A soldier prepares to move out under the cover of smoke during exercise Arctic Edge 2018 at Fort Greely, Alaska, March 15, 2018. Air Force phot by Tech. Sgt. Efren Lopez SHARE IMAGE: Download Image: Full Size (1.94 MB) Photo By: Tech. Sgt. Efren Lopez VIRIN: 180315-F-AF679-0267A.JPG Photo Gallery