TL;DR for those who say the AV-8B is the same:
Smaller wing on GR.1 and FRS.1
Less hard points
Faster
Different canopy
Different nose (shorter and sharper on Gr.1)
Different refueling probe system.
different tailcone.
GR.1:
Max speed of 635kn
Max diving speed of Mach 1.3
Service ceiling of 51,200 ft
FRS.1:
Top speed of 640 knots
Service ceiling of 50997 ft
Also used for Recon (FRS.51)

idk
