D
Missile ForcesRussia

9K37 Buk-M1 (SA-11 Gadfly)

Medium-range surface-to-air missile systemFielded 1979Pending verification

Also known as: Gang

Missile ForcesRUS
9K37 Buk-M1 (SA-11 Gadfly)
Photo: Wikimedia Commons contributor · Public domain, Wikimedia Commons
Fact cardConfidence · Source
System
TypeMedium-range surface-to-air missile system
Alternative designationsGang
Date of introduction1979
ProliferationAt least 13 countries
ManufacturerAlmaz-AnteyMed[1]
Crew4Med[1]
Dimensions and weight
Length9.3 m31 ftMed[1]
Launch weight34,000 kg74,957 lbMed[1]
Flight performance
Thrust / power710 hpMed[1]
Speed65 km/h40 mph · 35 ktAutomated check: outside the expected range for this type; verify against the source.Low[1]
Fire control
Fire control / radar9S470M1; Battery Command Post; 9S35 Fire Dome Radar; Dual (acquisition and fire control); 9S18M1 SNOW DRIFT; Spoon Rest; Battery target acquisition radar; TV optial auto-trackerMed[1]
Guidance42 kmMed[1]
Variants
9K37 BukThe 9K37 Buk (NATO: SA-11 Gadfly) was the baseline variant of the Buk family of medium-range surface-to-air missile (SAM) systems. It was developed by NIIP Tikhomirov (now a subsidiary of the Almaz-Antey Concern) as a replacement for the 2K12 Kub (SA-6…[1]
9K37M1 Buk-M1The Buk-M1 is the first variant of Buk that was known to be adopted in meaningful quantities, as the earlier 9K37 Buk was already earmarked for modernization by the Soviet leadership before it had entered service.[1]
9K37M1-2 Buk-M1-2The Buk-M1-2 is a modernised variant of the Buk-M1 system, which emerged shortly after the break-up of the Soviet Union.[1]
Buk-MBThe Buk-MB is an upgraded variant of the Buk-M1 that was developed in Belarus by the State Scientific Production Association ‘Agat’ as an upgrade package to modernize Belarus’ existing fleet of Buk-M1.[1]
9K317 Buk-M2The Buk-M2 is a deep modernization of the Buk-M1 system which entered service with the Russian Armed Forces in 2008.[1]
9K317E Buk-M2EThe Buk-M2E is the export variant of the Buk-M2 system and has been offered for export since at least 2007. As with the domestic Buk-M2 variant, the Buk-M2E TELARs are provided with improved fire control radars that allow the engagement of more simultaneous…[1]
9K317EK Buk-M2EKThe Buk-M2EK is the wheeled variant of the Buk-M2E system and is aimed at export customers that have a requirement for a wheeled system.[1]
Ra’ad 2The Ra’ad 2 is an Iranian domestically-developed copy of the Buk-M1 using a wheeled vehicle chassis that strongly resembles the MZKT-6922 6 × 6 developed by the Minsk Wheeled Tractor Plant (Volat).[1]
Weapons and payload options · 2Confidence · Source
9A39M1 TEL/TransloaderArmament
Med[1]
9M38M1 MissileArmament
Med[1]
Range
34 km21 mi · 18 nmi
Guidance
RF command, inertial correction, semi-active radar homing
Warhead
Frag HE
Length
5.55 m
Summary

The BUK-M1 (NATO reporting name: SA-11 Gadfly) missile system is a self-propelled, medium-range surface-to-air missile system developed by the Russian defense industry.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
AzerbaijanBelarusChinaAlgeriaEgyptGeorgiaIndiaIranKazakhstanPakistanRussiaUkraineVenezuela
Sources
  1. 9K37 Buk-M1 (SA-11 Gadfly) Russian Medium-Range Surface-to-Air Missile System, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (Public domain)