John Copes, Fire and Sprinkler Services superintendent, fabricates branch lines on Barksdale Air Force Base, La., March 12. Copes is adding threads to a branch line for a sprinkler system that is being installed on a new blast booth at the 2nd Maintenance Squadron Structural Maintenance Coating shop. (U.S. Air Force photo/Airman 1st Class Joseph A. Pagán Jr.)(RELEASED)