MARINE CORPS AIR STATION CHERRY POINT, N.C. - -- Col. Bob Sofge, commanding officer of Marine Aircraft Group 14, changes the oil on a Mine-Resistant, Ambush-Protected vehicle in a Marine Wing Support Squadron 271 maintenance bay March 21. Sofge took some time out of his schedule to get dirty with the “Workhorse of the Wing” Marines during biannual maintenance they perform to keep the MRAPs operating smoothly.