Taking Aim A Marine scans his sector at sunset while providing security during a heavy-Huey raid as part of Weapons and Tactics Instructors course 2-17 at Yuma Proving Grounds, Ariz., April 12, 2017. Air Force photo by Tech. Sgt. Chris Hibben SHARE: Download: Full Size (1.65 MB) Tags: Marines, Air Assault, Urban operations, training, Marine Corps Credit: Tech. Sgt. Chris Hibben VIRIN: 170412-F-PS957-0008A.JPG Photo Gallery