Pontius
Thanks for that. I don't know how to post a link, but if you check out Op Jiu Jitsu at the address below you will read about related exploits a few years earlier by a guy I was proud to work with many years later - John Crampton - who operated some USAF B45s in RAF markings over Russia more than once.
http://www.spyflight.co.uk/SCUL.HTM
At Jever in 58/59 we were often scrambled in Hunters to intecept what turned out to be U2s rather above our ceiling, but I don't recall any Victors
John