Airman 1st Class Rachel Barnes, 341st Maintenenace Operations Squadron electronics lab technician (left), vacuums dust from a communications drawer as Staff Sgt. Christopher Setts, 341st MOS ELAB team chief, assists during a routine maintenance session March 5. Before repairs can begin, all equipment must be thoroughly cleaned of dust and debris. (U.S. Air Force photo/Airman 1st Class Collin Schmidt)