Army Reserve Sgt. Chantz Jackson, center, yells at his soldiers while a CH-47 Chinook helicopter lifts a boat bay during a slingload training operation at Fort Chaffee, Ark., July 31, 2015. Jackson is a bridge crew member assigned to the Army Reserves 341st Engineer Company, Multi-Role Bridge. Army Reserve Sgt. Chantz Jackson, center, yells at his soldiers while a CH-47 Chinook helicopter lifts a boat bay during a slingload training operation at Fort Chaffee, Ark., July 31, 2015. Jackson is a bridge crew member assigned to the Army Reserves 341st Engineer Company, Multi-Role Bridge. SHARE: Download: Full Size (2.131371 MB) Tags: Photo Essays Credit: VIRIN: 522799-P-BUC33-842.jpg Photo Gallery