A total conversion mod that replaces all factions with original story ones. This is a sci-fi apocalyptic tale of how mankind is close to extinction and pay attention to the advice of a species similar to them who've been watching them for millenniums and are really not ready to see them die.
A marvel of common Earthling ingenuity.
It has the same cannons as the Abrams? MBT for all of its cannons.
Its main cannon is double-barreled for double the punch.
It has two turrets up front that are essentially act like 2 Abrams? MBTs.
It can be garrisoned by 4 infantry.
...And finally, it can launch a cruise missile from its back.