Austra: The Austra is the newest Flak gun of the U.S.O.S. It Can fire at a rate of 100rpm. This vehicle is capable of traveling 45mph on the road on 1 tank of gas, and 30 cross country. It fires an 8.2cm Flak round
Oswits: The Oswits is a new Mobile gun used by the U.S.O.S. it can fire shells up to 6.3 miles away. It is armed with a 85mm gun, It has a crew of two: the Driver/gunner, and the Spoter.
The shells in the picture are:
Yellow:A secret ammo type developed by scientists
Grey: average rounds
Red: MODA(Mass Obliteration of Designated Area) round.
Dropper: the Dropper is the newest, largest, artillery the U.S.O.S. owns. It fires 98mm rounds, at 6rpm. It can shoot its rounds at targets 4 miles away.
Intresting facts: The Dropper was named so because of its devastating effects, If a target is within 20 ft. of the impact zone, they instantly drop due to the impact power.
The Dropper was considered being named the "Bunker Buster" due to its effect