Soooooo...........
In the '60s the UK was chasing Bears with the Lightning.
In the '70s the UK was chasing Bears with the F4.
In the '80s the UK was chasing Bears with the F2.
In the '90s the UK was chasing Bears with the F3.
In the '00/10s the UK was/is chasing Bears with the Typhoon.
In the '20s the UK will be chasing Bears with the.........
Makes one wonder how hard the Russians, especially their bean-counters, are chuckling.