Originally Posted By: max2012

We assume that a missile shot down a U2.

That is true at 100% it was.

Problem with that situation was the two MiG that was also shot by command of stupid ground control, and that several SAM batteries turned to be NOT battle ready.
Some had malfunctioning missiles loaded on the launchers, some had only one worked, etc...
... this was the reason, that this accident was not celebrated in details.

Free SAM Simulator, "Realistic to the Switch"

(U-2 over Sverdlovsk, B-52's over Hanoi, F-4 Phantoms over the Sinai, F-16's and the F-117A Stealth bomber over the Balkans.)

Book from the author - Soviet Nuclear Weapons in Hungary 1961-1991