About vector thrust, the Russians are only copying the X-research. In 1988 NASA launches the F-18 HARVand the F-16 XL with 3d thrust vectoring...
In the late 80's they also tested the F-15 ACTIVE with 2d vectoring but with low radiation exhaust (just like the f-22)
Plus they tested the X-31...
Plus theu mad the first forward swept wing je. the X-29. There NASA explains why the technology didn't work as it was being hyped.
For more info on the most revolutionary research center in aviation
NASA Dryden Research Center



