U.S. Centennial of Flight Commission home page
Bomarc XF-99

The BOMARC ("BO" from Boeing and "MARC" from Michigan Aeronautical Research Center), originally designated as the XF-99, was later redesignated IM-99 then CIM-10A, was a surface launched pilotless interceptor missile designed to destroy enemy aircraft.

Credits - U.S. Air Force Museum