7/23/2010 - Col. Geoffrey Parkhurst, 56th Maintenance Group commander, waves the wrench usually carried by his wife Naomi during his "fini drive" near the 310th Aircraft Maintenance Unit, Luke AFB, Ariz., as hundreds of Luke Air Force Base Airmenline the street and salute the outgoing commander July 22nd. Col. Parkhurst relinquished command of the 56th MXG on July 23rd to Col. Deborah Liddick. (U.S. Air Force photo/Airman 1st Class Sandra Welch)