EC commander visits Grand Forks AFB Published Feb. 24, 2017 By Airman 1st Class Elijaih Tiggs 319 Air Base Wing Public Affairs GRAND FORKS AFB, N.D. -- Maj. Gen. Christopher Bence, Expeditionary Center commander, listens to Senior Airman Dylan Harrison, 319th Civil Engineer Squadron pavement and equipment apprentice, explain the action routes for road maintenance in the winter on Grand Forks Air Force Base, N.D., Feb. 23, 2017. EC leadership visited Grand Forks AFB to gain first-hand knowledge of mission operations and Airmen readiness. (U.S. Air Force photo by Airman 1st Class Elijaih Tiggs)