Col. Paul Bauman, 319th Air Base Wing commander, and Chief Master Sergeant David Duncan, 319th ABW command chief, grout tile in a renovation project that the 319th Civil Engineer Squadron is completing in the 319th Logistics Readiness Squadron headquarters building on Grand Forks Air Force Base, N.D., June 20, 2013. Bauman and Duncan are getting their hands dirty working day-to-day jobs with the Wing’s Airmen. (U.S. Air Force photo/Staff Sgt. Amanda Grabiec)