It is merely opinions and preferences.
Some people think that the F-35 is the best.
Some people think that the MIG-29 is the best.
Others still think that the A-10 was the best ever military jet ever.
SPAD was a French fighter plane in WW1. The Spitfire was a WWII fighter plane.
Who is to say what is the "world's best fighter plane" - there are many criteria to judge this by.
There was; Spad and that's pretty much all.
Germany's Red Baron flew a peculiar type of fighter plane in World War One. It had three wings and was called the Fokker DR1 triplane.
The SR 71 Blackbird is the fastest plane in the world
There was; Spad and that's pretty much all.
MiG-25
Eurofighter Typhoon
The lightest palne was a dog plane
Bristol F2b
Basic enlistment age. Most countries it was 18.
The possessive form of 'the wingspan of the fighter plane' is the fighter plane's wingspan.