"JASON BOWMAN" wrote in message
...
OK, am I thinking of the wrong thing then? I know the A-12 as the attack
version of the SR-71. Someone said that it was never more than a
full-scale
mock-up. I know the A-12, at least the 1 I'm thinking of, flew, and was
tested firing missiles. What am I missing???

The A-12 was a project for a Navy stealth attack jet: flying wing,
two man crew (I think), cancelled in '91 by then SecD Cheney
due mainly to cost over runs.

A-12 was never a *military* designation for any member of the
Blackbird family. A-12 was a Lockheed and/or CIA name for the CIA
bird that was later build, in modified form, for the USAF as the SR-71.