Because it stands for Jason his middle name terry
"Jumbo Jet"
jet shoes
they never say his name but you can see it in 1 or 2 scenes on the side of the jet.
Jason Erick Taylor goes by Jet.
Jason Derulo's favorite basketball team is the Jet's.
The F-14 was known as the 'Tomcat' , -but this name was given by Grumman, which has always named it's fighters some kind of 'cat'.
Jet Armstrong's birth name is Jet Dean Armstrong.
Jet Naessens's birth name is Naessens, Jet Violet.
Jet Alcantara's birth name is Jet Alcantara Rai.
Jet the Hawk
Jet Bussemaker's birth name is Maritte Bussemaker.
Jet Harris's birth name is Terence Harris.