1964 ... XB-70 Valkyrie

... few comprehend just how big America's big supersonic bomber was. The B-70 was 5 times heavier than an SR-71 and twice as long! Both flew at the same Mach 3 top speed and debuted in 1964.


1 comment:

Erik J Kreffel said...

Beautiful plane. Too bad they never made into active duty.