One of the pilots writes... (Joseph A. Hart)
http://www.bilderberg.org/hbomb.htm#Must
"There were also 9 tactical nuclear missiles that Soviet commanders in Cuba were delegated power to use. Neither class of weapon needed orders from Moscow to be fired. Any attempt to invade Cuba as was being pressed for by LeMay and Power would have been disastrous."
Obviously, even today it would be "disastrous"...