Col. Michael Grismer, 436th Airlift Wing commander, examines a side-view mirror with Staff Sgt. Erik Struss, 436th Logistics Readiness Squadron vehicle maintenance, Jan. 22, 2015, in the heavy vehicle maintenance shop on Dover Air Force Base, Del. The newly created Leadership by Walking Around program has Grismer going around base to work with Airmen under his command. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)