421st Air Refueling Squadron Boeing B-50D-90-BO Superfortress 48-0088, 1960 (in KB-50J air refueling tanker configuration).  A/C sent to MASDC Feb 4, 1965.  Declared excess Mar 23, 1965
United States Air Force
1960
Menard, David W. (1993) USAF Plus Fifteen: A Photo History, 1947-1962. Schiffer Publishing, Ltd. <a href="//commons.wikimedia.org/wiki/Special:BookSources/0887404839" title="Special:BookSources/0887404839">ISBN 0887404839</a>  Image source listed as United States Air Force