Bush recalls that toward the end of his training, he
volunteered for the "Palace Alert" program

Contemporary proof, please.

Like this:

http://awolbush.com/images/kerr_bush_nam.gif

In February, 1968 Bush asked not to be sent overseas. What he "recalls"
doesn't amount to a hill of beans.

No one, to my knowledge, has come forward to say they saw Bush after Mid- 1972.

Walt