Yes, but AFAIK, the A-10 is the only plane that was designed by starting with a BFG, then building a plane around it.
http://en.wikipedia.org/wiki/Bell_P-39_Airacobra#Circular_Pr...
Yes, but AFAIK, the A-10 is the only plane that was designed by starting with a BFG, then building a plane around it.