FEASIBILITY STUDY OF AN F-106 AIRCRAFT FOR NONAXISYMMETRIC NOZZLE FLIGHT RESEARCH INCLUDING THRUST VECTORING
Prepared under Contract NAS 4-2554 By The Boeing Company, August 1979
Often referred to as the F-106-30 model this proposal included 4 modification models, one even replacing the F-106 vertical tail with an F-101 vertical tail and it's horizontal stabilizer.
Read the full Boeing proposal in this PDF file
http://www.f-106deltadart.com/nasa/Airbreathing%20Propulsion/Feasibility%20Study%20F-106%20Non-axisymmetric%20Nozzle%20Flight%20Research.pdf