Tags: Aircraft.

The North American Aviation XB-70 Valkyrie was the prototype version of the proposed B-70 nuclear-armed deep-penetration strategic bomber for the United States Air Force’s (USAF) Strategic Air Command.

WS-110_original_proposal.gif
manufacturer
North American Aviation
number built
2
program cost ($)
1.5E9
retired
1969-02-04
type
Strategic bomber
unit cost ($)
7.5E8

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