A fully automatic tank transmission shifts gears without driver intervention, using hydraulic or electronic controls to select appropriate gear ratios based on engine speed and vehicle load.

High-Explosive Fragmentation: ammunition that explodes on impact, releasing fragments.

High-Explosive Anti-Tank: a type of projectile that uses a shaped charge to penetrate armor.

A fire control system relying on optical sights and manual input for aiming and range estimation without computer assistance.

A refined product derived from crude oil, used as a fuel for internal combustion engines. A volatile, flammable liquid mixture of hydrocarbons.

A rifled gun has spiral grooves cut into its barrel.

Handheld or vehicle-mounted devices that release dense smoke to obscure vision, conceal movements, or screen friendly forces from enemy observation.

A tank with extremely heavy armor and armament, typically over 60 tons.

A torsion bar is a steel rod that resists twisting and serves as a spring in tank suspensions, with one end fixed to the hull and the other connected to a lever arm moving the road wheel.

Armour made by welding and rolling homogeneous steel plates.