Bob Noel wrote:



Yes, but not a lot. There are over 500 KC-135's (which, btw, are NOT based on
the 707 - they share bloodlines, but the 135 preceded the 707).


You're right as to the timing. But, the 707 was a direct direvative of
the 135 development program. And, as I recall, the development program
was for the C-135. The tanker came later.