Designation
It's a shame that the 'F-35B' is not known as the Lightning ll FGR Mk 1.
They made such a fuss about copying the old serial numbers from the English Electric Lightning for the new jets ...
We never called our Phantoms F-4K's or M's they had the 'proper' designation of Phantom FG Mk 1 and FGR Mk2.
I can only assume that brevity is best in a world where language seems to have sped up.
Accuracy and consistency seem to take second place now.