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3M6 Shmel

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3M6 Shmel

The 3M6 Shmel (Russian: 3М6 «Шмель»; English: bumblebee) is an MCLOS wire-guided anti-tank missile of the Soviet Union. Its GRAU designation is "3M6" and its NATO reporting name is AT-1 Snapper.

Too large to be man portable, it was typically deployed from specialised vehicles or helicopters. The missile was intended to supplement traditional anti-tank weapons, like the 100 mm anti-tank gun whose accuracy beyond 1,500 m is poor. The missile's accuracy in contrast remained high as far as its maximum range of 2,000 m.

However, the system's bulk, slow speed and poor combat accuracy drove development of later SACLOS systems, like the 9M113 Konkurs.

The 3M6 Shmel began development through Decree No. 7 on May 27, 1957. Development would be spread across several bureaus and research institutes, with the missile complex and rocket being designed by SKB-4, led by Boris Shavyrin under the leadership of the to-be famous Sergey Nepobedimy, being based on the Nord Aviation SS.10. Teams from TsNII-113 [ru], led by Zinovy Moiseevich Persits, would handle the design of the control system. Meanwhile, the charge for the solid-propellant rocket engine would be designed by NII-125, and the HEAT warhead by NII-6.

Development of the missile proceeded rapidly, with the first unguided flights in April 1958 followed by controlled flights in June and July 1958, where testing showed the probability of a hit to be anywhere from 75—90%, depending on the range. However, Soviet Army field exercises showed that hit rates could decrease to as low as 25% due to the complexity of the guidance system.

The system would enter service by August 1st, 1960. Later, parade 2P27 vehicles sporting four 2K16 launchers on May 1st, 1962 were noted by Western observers in parade formation, just before the 1962 Moscow Victory Day Parade. The weapon would later be described in the US Army journal Military Review as being 'about the same size' and having 'approximately the same range' as the French SS.11, later overestimating its range to be from 500 to 3,000 metres.

There were two ground-based platforms for the missile

These vehicles were deployed in anti-tank batteries attached to motor rifle regiments. Each battery has three platoons, each with three launch vehicles and a single command BRDM.

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1950s anti-tank missile of Soviet origin
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