Trench Digging Senior Airman Peter Berg operates a backhoe to dig a trench to help drain water away from a construction site at Andersen Air Force Base, Guam, June 21, 2016. Berg is assigned to the New Hampshire Air National Guard’s 157th Civil Engineering Squadron. Air National Guard photo by Tech. Sgt. Aaron Vezeau SHARE: Download: Full Size (1.02 MB) Tags: guard, air force, airmen Credit: Tech. Sgt. Aaron Vezeau VIRIN: 160621-Z-ZR729-083A.JPG Photo Gallery