Senior Airman Lloyd Davis, 332nd Maintenance Squadron metals technology journeyman, welds a titanium certification tube for practice July 21, 2010, Joint Base Balad, Iraq. “Welding is an art form, and you have to practice to stay proficient,” said Airman Davis, a native of Fairfax, Va., deployed from Shaw Air Force Base, S.C. (U.S. Air Force photo/ Staff Sgt. Phillip Butterfield)