LOL
Maybe you would like to try some of the M1A4 tanks in John
Ringo's Posleen Wars universe, a variant of the Abrams upgraded to
fight an invading alien horde that is intent on eating all the
humans in the galaxy...
Well it's written by an American so try to take all the USA is
best rah-rah with a pinch of salt:
The Abrams Main Battle Tank was originally designed for the sole
purpose of killing other tanks, almost assuredly Soviet and
ex-Soviet designs. It had advanced composite armor, a quick-firing,
stabilized 120mm main gun, sophisticated targeting systems,
nuclear, biological and chemical protection and an amazing turn of
speed supplied by its Lycomings jet-turbine engine. Furthermore, on
battlefields across the globe, it had proven itself the finest
machine in the world for that task, able to both out-fight
and outmaneuver any other tank on the planet, seventy plus
tons of fast-rolling incredibly deadly meanness. But with the
coming of the Posleen, changes in design were inevitable; the
Posleen didn't really have anything worth hitting with a 120mm
depleted uranium dart. Or, if they did, it was too large to
care about being scratched by an Abrams.
However, the base tank was the finest piece of war machinery
ever designed and it seemed a shame to simply throw all that
engineering away. At first, when they turned out to be highly
vulnerable to plasma and even 3mm railgun fire, the tanks seemed
doomed. But technology came to their aid in the form of new, and
lighter, armor materials. The M-1A4's turret and primary frontal
armor was a layer of battle-steel, room-temperature superconductor,
nano-tube composite and synthetic sapphire threading. The
combination meant that frontally it could shed off the fire of
anything but a direct and unlucky HVM hit.
From the side it was not so well armored but if the Posleen were
on your flank you were screwing up anyway.
To reduce the possibility of being flanked, and to deal with the
main problem of the Posleen, the fact that there were just way too
many of them, the gunnery of the tanks was modified. On either side
of the turret "add-on" weapons were installed. These were 25mm
cannons like the main gun of a Bradley, but where a Bradley had one
gun the Abrams were mounted with first two, one on either side,
then four and finally eight. The .50 caliber TC gun was replaced
with a 7.62 Gatling gun capable of hurling 8000 rounds a minute and
the "coaxial" 7.62 machine gun mounted alongside the main gun was
switched out for another. Even excepting their main gun, the "A4"
Abrams could hurl an amazing mass of lead.
The main gun, however, remained a problem. It seemed a shame to
pull the weapon, since it was about as good as it got from a cannon
perspective. Finally, it was decided to leave the cannon in place
and simply change the ammo mix. The ammo bin still carried a few
"silver bullets" for old time's sake, but the majority of the
rounds stored in an A4 were canister.
Unlike the complex depleted uranium or High Explosive Anti-Tank
rounds, canister was simplicity in itself; in effect it was a giant
shotgun shell. Each round held 2000 flechettes packed in ahead of a
powerful firing charge.
