Y'All,
To those of you who view this offset GPS program as the latest, I
would like to add the following.

At near the end of WWII when I was a 21-year old Corporal I was
the operator/mechanic of a radar bombardment simulator/trainer as a part of
the 58th Bomb Wing Training Center (B-29) on Tinian
The device was called the Supersonic Trainer and made possible simulations
of actual bombardment runs over Japan. In the week or so prior to the
dropping of the bombs I was told to put the Nagasaki
map into the Trainer.

The trainer was running in conjunction with the APQ-23 radar system. This
was the most advanced radar bombardment system of the war and was still the
standard over five years later. Among its capabiities was to program offset
bombing.. By dialing in the azmuth and distance of a target from a radar
visible target such as a lake we could fly as though bombing the lake but
hit the target. This is where
all the offset navigation came from.

Incidentally the Nagasaki bomb missed its aiming point by three miles. If
you want the full story go to my web site at the very end
of the IFR section. 7.9++ www.whittsflying.com
Gene Whitt