Sad News.
Before there is another troll fest remember that there were a number of collaborations in Aerospace in the 1960s and 1970s. NASA and the RAE shared a great deal of information at that time.
There were projects at Woomera using the Black Night missile, Gaslight and Dazzle. These were to reasearch reentry of ICBMs.
NASA picked up on the idea of water cooled thermal control for space suits from the RAE.
The Concorde stress rig was used for testing space shuttle components.
The Blue Streak RZ2 motors evolved from the Noth American S3 Thor Motors built under licence, Rolls Royce made a few improvements to the design which they then sold back to North American when Blue streak was cancelled.
I made camera mounts for NASA as an RAE apprentice in the late seventies.
Finally there was a display in the National AeroSpace museum which had a number of models of concepts that NASA considered before settling on the final design of the shuttle, one of which was MUSTARD.
This caused a great deal of consternation amongst British space buffs who'd not heard of it this side of the Herring Pond.
It's still there!
Model, Space Shuttle, British Aircraft Corporation MUSTARD Triamese Concept - Smithsonian National Air and Space Museum