F-106A 57-2478 of the 186th FIS, Montana ANG, Great Falls, Montana at the SMALC Depot, McClellan AFB, CA undergoing Periodic Depot Maintenance (PDM) in Oct 1980. [ Wallace, Airplane-Pictures collection]
F-106A 57-2478 of the 186th FIS, Montana ANG, Great Falls, Montana at the SMALC Depot, McClellan AFB, CA undergoing Periodic Depot Maintenance (PDM) in Oct 1980. [ Wallace, Airplane-Pictures collection]