Shtora-1 (Штора, "curtain") is an electro-optical active protection system or suite for tanks, designed to disrupt the laser designator and laser rangefinders of incoming anti-tank guided missiles (ATGMs). The system is mounted on the Russian T-80 and T-90 series tanks and the Ukrainian T-84. The existence of Shtora was revealed in 1980 by Adolf Tolkachev.
Shtora-1 is an electro-optical jammer that disrupts semiautomatic command to line of sight (SACLOS) ATGMs, laser rangefinders and target designators. Shtora-1 is a soft kill countermeasure system. The system was shown fitted to a Russian main battle tank during the International Defense Exposition, held in Abu Dhabi in 1995. The first known application of the system is the Russian T-90 main battle tank, which entered service in the Russian Army in 1993. It is also available on the BMP-3M infantry fighting vehicle.
The Shtora-1 has four key components: two electro-optical/infrared (EO/IR) "dazzlers" mounted on both turret cheeks, an infrared jammer, a modulator, and a control panel in the fighting compartment.
Banks of forward firing grenade launchers on each side of the turret that lay an aerosol smoke screen opaque to IR light.
A laser warning system consisting of four angle sensors with two higher precision sensors covering the frontal 90° arc and two lower precision sensors covering the sides and rear.
A control system comprising control panel, microprocessor, and manual screen-laying panel. This processes the information from the sensors and activates the aerosol screen-laying system.
Two IR lights, one on each side of the main gun, continuously emit coded pulsed-IR jamming when an incoming ATGM has been detected.
Shtora-1 has twelve smoke grenade launchers and weighs 400 kg. It can lay a 15 meter high and 20 meter wide smoke screen in three seconds that lasts about twenty seconds at ranges from 50 to 70 meters. The Shtora-1 can also automatically slew the main gun towards a detected threat, so that the tank crew can return fire and so that the stronger frontal turret armour is facing it.
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A main battle tank (MBT), also known as a battle tank or universal tank, is a tank that fills the role of armor-protected direct fire and maneuver in many modern armies. Cold War-era development of more powerful engines, better suspension systems and lighter composite armor allowed for the design of a tank that had the firepower of a super-heavy tank, the armor protection of a heavy tank, and the mobility of a light tank, in a package with the weight of a medium tank.
Shtora-1 (Штора, "curtain") is an electro-optical active protection system or suite for tanks, designed to disrupt the laser designator and laser rangefinders of incoming anti-tank guided missiles (ATGMs). The system is mounted on the Russian T-80 and T-90 series tanks and the Ukrainian T-84. The existence of Shtora was revealed in 1980 by Adolf Tolkachev. Shtora-1 is an electro-optical jammer that disrupts semiautomatic command to line of sight (SACLOS) ATGMs, laser rangefinders and target designators.
A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and good battlefield mobility provided by tracks and a powerful engine; usually their main armament is mounted in a turret. They are a mainstay of modern 20th and 21st century ground forces and a key part of combined arms combat.