Revit Amber.
...
Not even a Google search explains what that is.
Good, because if you knew, I’d have to kill you.
https://en.wikipedia.org/?title=Rivet_Amber_crash&redirect=no
https://en.wikipedia.org/wiki/Boeing_RC-135#RC-135E_Lisa_Ann_/_Rivet_Amber
I think he means “Rivet Amber” which was the code name for a modified C-135 aircraft that was fitted with a sophisticated radar system, so we could keep an eye on the Rooskies.
I believe it was on operation,using modified RC-135s, to gather data on Soviet nuclear testing.