{
  "id": "s-500",
  "name": "S-500 Prometey",
  "aliases": [
    "S-500 Prometheus",
    "55R6M Triumfator-M"
  ],
  "domain": "missile",
  "country": "RUS",
  "category": "Long-range air and missile defense system",
  "status": "in-service",
  "fielded": 2021,
  "operators": [
    "RUS"
  ],
  "prolif_count": 1,
  "summary": "The S-500 Prometheus (Prometey) 10x10 Mobile Surface-to-Air Missile System (SAM) is an advanced medium- to long-range air-defense system designed by Russia's Almaz-Antey.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Almaz-Antey",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Command-and Control (C2) System",
      "section": "firecontrol",
      "v": "Russian authorities and Almaz-Antei have stated that the S-500 will be a completely new system with little commonality with the S-400 but it will be interfaced with the 30K6E…",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "76T6 and 77T6 Radars",
      "section": "firecontrol",
      "v": "Precise details of these radars are unavailable. They are thought to be active phased-array systems using gallium nitride (GaN) substrate that operate in the X-band, and are used…",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "91N6AM missile Guidance Radar",
      "section": "firecontrol",
      "v": "The 91N6A(M) ‘Big Bird' multifunctional adaptive radar system (MARS) is understood to be an upgraded 91N6 radar of the S-400.",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "96L6 Tracking Radar",
      "section": "firecontrol",
      "v": "The 96L6-TsP ‘Cheese Board' is an upgrade of the 96L6E battery acquisition radar of the S-400.",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missile Weapon System: targeting & guidance systems",
      "section": "armament",
      "v": "The S-500 is expected to have a very quick reaction time. The speed of the targets that it is expected to engage would require a target engagement process in the order of a few seconds – certainly below 10 – to be successful.",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missile Weapon System: 77n6-n and 77n6-n1",
      "section": "armament",
      "v": "The 77N6 series are new missiles designed specifically for the S-500. The capabilities of the missiles are unclear, but the original requirement issued by the Russian MoD specified an intercept height of 200 km and a flight speed up to 7 km/second.",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missile Weapon System: 40n6",
      "section": "armament",
      "v": "The 40N6 long-range missile was developed for the S-400 medium-range air-defence system, it has a maximum range of 380 km and up to 15 km against ballistic targets operating at altitudes between 10 m and 35 km, according to TASS.",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    },
    {
      "label": "Chassis",
      "section": "mobility",
      "v": "10x10 wheeled",
      "k": "",
      "src": [
        "weg-s-500"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "tel",
  "image": {
    "file": "s-500.jpg",
    "thumb": "s-500-thumb.jpg",
    "credit": "Ministry of Defence of the Russian Federation press service",
    "license": "CC BY 4.0",
    "url": "https://commons.wikimedia.org/wiki/File:%D0%A1-500_%D1%80%D0%BE%D1%81%D1%81%D0%B8%D0%B9%D1%81%D0%BA%D0%B8%D0%B9_%D0%B7%D0%B5%D0%BD%D0%B8%D1%82%D0%BD%D1%8B%D0%B9_%D1%80%D0%B0%D0%BA%D0%B5%D1%82%D0%BD%D1%8B%D0%B9_%D0%BA%D0%BE%D0%BC%D0%BF%D0%BB%D0%B5%D0%BA%D1%81.jpg",
    "title": "File:С-500 российский зенитный ракетный комплекс.jpg"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-05",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN)"
    },
    {
      "date": "2026-10-07",
      "change": "Added photo (CC BY 4.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/s-500.html",
  "sources": {
    "weg-s-500": {
      "title": "S-500 Prometheus (Prometey) Russian Mobile Surface-to-Air Missile System (SAM)",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/S-500_Prometheus_Prometey_Russian_Mobile_Surface-to-Air_Missile_System",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}