Barrier Brace Army Pfc. Breanna Dagen jumps over a barrier during a mud run at Camp Sentinel training area, Goodfellow Air Force Base, Texas, July 7, 2018. Air Force photo by Staff Sgt. Joshua Edwards SHARE IMAGE: Download Image: Full Size (1.51 MB) Photo By: Joshua D. Edwards SSgt USAF VIRIN: 180707-F-KW102-0010X.JPG Photo Gallery