60 % and side slope of 30%. It can cross a vertical obstacle of 0.7 m and trench of 2m. Armament The Infantry Fighting Vehicle (IFV) variant, ZBD-05, is built to support infantry and amphibious operations. The 3-man crew consists of the driver positioned front-left of the turret, with commander and gunner occupying the turret. The vehicle features ZPT-99 30mm cannon turret with a HJ-73C ATGM rail launcher, capable of penetrating more than 800mm RHA after ERA. The vehicle can carry 7 to 8 (one squad) armed infantry in its passenger compartment at the rear. The Assault Vehicle (light tank) variant, ZTD-05, is armed with a fully stabilized ZPL-98A 105mm rifled gun. The ZTD-05 assault vehicle variant has a crew of four, including a loader. The type of APFSDS round fitted on ZTD-05 is the DTC02-105 armor piercing fin stabilized discarding sabot based on BTA-2 105mm APFSDS, capable of penetrating 600mm RHA at 2,000 meters. The rifled gun is also capable of launching laser guided beam-riding missile. The gun is loaded manually with a fire rate of 6 to 8 rounds per minute with 36 rounds ammo reserve. ZTD-05's turret shares a similar layout to the ZTL-11 assault vehicle. Secondary weapons for both variants include a Type 86 7.62mm coaxial mounted machine gun. ZTD-15 features a QJC-88 12.7mm anti-aircraft machine gun mounted on the roof of the turret near the loader. Fire control Accuracy and precision are attained by a computerized fire-control system (FCS) on both ZBD-05 and ZTD-05. The fire control system includes a fire-control ballistic computer, laser rangefinder, two-plane stabilization, and daylight/infrared gunner sight with passive night vision channel. Commander has access to day/night independent thermal sight with hunter-killer (commander override) capability. Type 05 is fitted with battle management system, command and control system, digital map interface. All the necessary information is displayed on screens to the driver, commander, and gunner. ZTD-05 is equipped with laser designator for beam-riding SACLOS applications, and loader position is also fitted with an independent periscope. Protection The vehicle has satellite navigation, fire suppression system, NBC protection system, day/night thermal vision, ensuring high degree of survivability for the crew. The hull is constructed with aluminum alloy chassis with additional steel glacis plates. Aluminum alloy reduces weight and provides protection against small arms rounds and shell splatter, while the steel plates can stop 12.7mm rounds. The turret is constructed of all-welded steel armor with