Jim Tyndall, Plumbing Design and Installation Inc. master plumber, applies glue to copper piping while installing plumbing in the Jefferson Chambers Dormitory during a renovation project at Ellsworth Air Force Base, S.D., July 15, 2013. The renovation project provides Airmen with new appliances and more countertop space to prepare and cook meals. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)