SA-19 Grison anti-aircraft missile

The SA-19 Grison **, or 9M311, has a 20-lb (9-kg) HE-fragmentation rod warhead that is activated either by contact fuze or a laser proximity fuze. The lethal radius of the warhead is 16 ft (5 m) and is most commonly used against anti-tank helicopters. The missile may also have a secondary capability against armored ground vehicles.

The 9M311 is known as the Treugolnik, or Triangle, and it is designed for use on the Tula KBP-developed 2S6 and 2S6M Tunguska air defense vehicles (see...