Army Reserve Spc. Dustin Willet carries the business end of an M2 Browning .50-caliber machine gun after familiarization training as part of Operation River Assault, a training exercise involving Army engineers and other support elements to create a modular bridge on the water across the Arkansas River on a gun range at Fort Chaffee, Ark., Aug. 2, 2015. Willet is an combat engineer assigned to the 346th Engineer Company, Route Clearance. Army Reserve Spc. Dustin Willet carries the business end of an M2 Browning .50-caliber machine gun after familiarization training as part of Operation River Assault, a training exercise involving Army engineers and other support elements to create a modular bridge on the water across the Arkansas River on a gun range at Fort Chaffee, Ark., Aug. 2, 2015. Willet is an combat engineer assigned to the 346th Engineer Company, Route Clearance. SHARE: Download: Full Size (1.971274 MB) Tags: Photo Essays Credit: VIRIN: 816844-E-UMY30-886.jpg Photo Gallery