Tom-I would say that the detailed Super Tomcat work would have been done in

about the same period as the F/A-18E/F,

It was, I saw briefs on the Tomcat 21 when I was in VX-4...late 80s but the USN
didn't buy it.
P. C. Chisholm
CDR, USN(ret.)
Old Phart Phormer Phantom, Turkey, Viper, Scooter and Combat Buckeye Phlyer