Army Sgt. Andrew French climbs a reverse climb during an obstacle course on Camp Bullis, Texas, May 15, 2013. French is assigned to the 512th Geospatial Engineering Detachment on Fort Sam Houston, Texas. Army Sgt. Andrew French climbs a reverse climb during an obstacle course on Camp Bullis, Texas, May 15, 2013. French is assigned to the 512th Geospatial Engineering Detachment on Fort Sam Houston, Texas. SHARE: Download: Full Size (2.09 MB) Tags: Photo Essays Credit: VIRIN: 055995-O-EJJ70-149.jpg Photo Gallery