Flash,
So I contacted Chris Pocock this morning. He is the world's smartest person on U-2 history.
Chris Pocock explores U-2 spyplane history
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The American pilots were all Agency guys. Ten of them total and three of them are still alive to my knowledge. Two of them are in Arizona. There are also two surviving Brit RAF pilots that went to see with the U-2.
Navy LT CDR Tom McMurtry was attached to the project and flew the U-2 in 1965, becoming the first Gold Winger (of many over the years) to do so.
Also, an RAF guy named Chunky Webster is the one credited with coming up with the landing procedures on the carrier. I will dig deeper on this, since it seems odd.
After 1969, the Navy became reluctant to provide a carrier. The Agency still wanted to retain the capability, so CIA pilots went to Pensacola and did their carrier quals in the T-2. Then they returned to Edwards North Base, where a Fresnel Lens and carrier outline markings were installed on the runway, and they did their U-2 'practice' there.
"50 Years of the U-2" is a huge book and has a ton of data. I don't think it is in print, but if anyone is really interested in the story of the U-2, email Chris (address is on his site) and see if he has any he is still selling.