[Sonny M]

It was originally the RS-71 until LBJ screwed up the name in a speech.

Its an urban legend.

Check either/or wilkpedia or google it.

[Joe Miner]

Its an urban legend.

Ben Rich's book, Skunk Works says it isn't. He was Kelly's righthand man and took over the Skunk Works when Kelly had to retire. I think he would know if it was true or not.