{
  "id": "9k37-buk-m1",
  "name": "9K37 Buk-M1 (SA-11 Gadfly)",
  "aliases": [
    "Gang"
  ],
  "domain": "missile",
  "country": "RUS",
  "category": "Medium-range surface-to-air missile system",
  "status": null,
  "fielded": 1979,
  "operators": [
    "AZE",
    "BLR",
    "CHN",
    "DZA",
    "EGY",
    "GEO",
    "IND",
    "IRN",
    "KAZ",
    "PAK",
    "RUS",
    "UKR",
    "VEN"
  ],
  "prolif_count": 13,
  "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.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Almaz-Antey",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 4,
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 9.3,
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "launch_weight_kg",
      "v": 34000,
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust / power",
      "section": "mobility",
      "v": "710 hp",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_kmh",
      "v": 65,
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "low",
      "note": "Automated check: outside the expected range for this type; verify against the source."
    },
    {
      "k": "",
      "label": "Fire control / radar",
      "section": "firecontrol",
      "v": "9S470M1; Battery Command Post; 9S35 Fire Dome Radar; Dual (acquisition and fire control); 9S18M1 SNOW DRIFT; Spoon Rest; Battery target acquisition radar; TV optial auto-tracker",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Guidance",
      "section": "firecontrol",
      "v": "42 km",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "9A39M1 TEL/Transloader",
      "role": "Armament",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium",
      "caps": {}
    },
    {
      "name": "9M38M1 Missile",
      "role": "Armament",
      "src": [
        "weg-9k37-buk-m1"
      ],
      "conf": "medium",
      "caps": {
        "Guidance": "RF command, inertial correction, semi-active radar homing",
        "Warhead": "Frag HE",
        "Length": "5.55 m"
      },
      "range_km": 34
    }
  ],
  "variants": [
    {
      "name": "9K37 Buk",
      "text": "The 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…",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "9K37M1 Buk-M1",
      "text": "The 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.",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "9K37M1-2 Buk-M1-2",
      "text": "The Buk-M1-2 is a modernised variant of the Buk-M1 system, which emerged shortly after the break-up of the Soviet Union.",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "Buk-MB",
      "text": "The 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.",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "9K317 Buk-M2",
      "text": "The Buk-M2 is a deep modernization of the Buk-M1 system which entered service with the Russian Armed Forces in 2008.",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "9K317E Buk-M2E",
      "text": "The 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…",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "9K317EK Buk-M2EK",
      "text": "The 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.",
      "src": [
        "weg-9k37-buk-m1"
      ]
    },
    {
      "name": "Ra’ad 2",
      "text": "The 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).",
      "src": [
        "weg-9k37-buk-m1"
      ]
    }
  ],
  "art": "tel",
  "image": {
    "file": "9k37-buk-m1.jpg",
    "thumb": "9k37-buk-m1-thumb.jpg",
    "credit": "Wikimedia Commons contributor",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:9K37_Buk_M1_SA-11_Gadfly.JPG",
    "title": "File:9K37 Buk M1 SA-11 Gadfly.JPG"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    },
    {
      "date": "2026-10-10",
      "change": "Added photo (Public domain)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/9k37-buk-m1.html",
  "sources": {
    "weg-9k37-buk-m1": {
      "title": "9K37 Buk-M1 (SA-11 Gadfly) Russian Medium-Range Surface-to-Air Missile System",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/9K37_Buk-M1_SA-11_Gadfly_Russian_Medium-Range_Surface-to-Air_Missile_System",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}