Description:

The M157 Border Controller is an unusual IFV, equipped with 50mm Bushmaster Autocannon, the chassis is based on the Type 11C Shirokane tank chassis, the turret is replaced with unmanned turret, the tank is very good at ambushing and taking down aircraft

Survivability:

ESS: Able to generate smokescreen for a long time.
The Vehicle is equipped with ESS smokescreen and the vehicle is also good at flanking

Main Armament:

50mm Bushmaster (50mm):
Vertical Guidance: +75/-10°
Horizontal Guidance: 360°
Available shells:
M817 SAPHEI, M459 HE-VT, M187 APFSDS

Secondary Armament:

BGM-71 TOW (152mm)
Vertical Guidance: +0/-0°

Pros and Cons:

Pros:
has missiles, able to take out tanks on long range engagements
has APFSDS shell that can penetrate up to 599mm of Composite Armor

Cons:
Cannot use missiles on short range engagements
Stock shell is SAPHEI, which has a poor penetration against tanks up front

(Reference from: War Thunder)