Trench Crawl Army Sgt. Chau crawls through a trench during the obstacle portion of the Army Air Assault Course held at Camp Blanding Joint Training Center, Starke, Fla., Feb. 23, 2016. Chau is assigned to the Florida National Guard. Florida Army National Guard photo by Sgt. Christopher Milbrodt SHARE: Download: Full Size (0.59 MB) Tags: Camp Blanding Joint Training Center, Air Assault, Soldiers, Airmen Credit: Sgt. Christopher Milbrodt VIRIN: 160223-Z-LQ174-002A.JPG Photo Gallery