What does XM-1 stand for?

XM-1 stands for "Prototype M-1 Abrams Tank"

How to abbreviate "Prototype M-1 Abrams Tank"?

"Prototype M-1 Abrams Tank" can be abbreviated as XM-1

What is the meaning of XM-1 abbreviation?

The meaning of XM-1 abbreviation is "Prototype M-1 Abrams Tank"

What does XM-1 mean?

XM-1 as abbreviation means "Prototype M-1 Abrams Tank"