{
  "id": "bm-21um-berest",
  "name": "BM-21UM Berest",
  "aliases": [],
  "domain": "land",
  "country": "UKR",
  "category": "122mm multiple rocket launcher",
  "status": null,
  "fielded": 2018,
  "operators": [
    "UKR"
  ],
  "prolif_count": 1,
  "summary": "The BM-21UM Berest Ukrainian 122mm Multiple Rocket Launcher can be seen as a further development of the Ukrainian BM-21U. Essentially it is a modernized version of the venerable BM-21 Grad.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "KrAZ",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Configuration",
      "section": "system",
      "v": "4x4",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "KrAZ-5401NE",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 5,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Emplacement time",
      "section": "system",
      "v": "The MRLS can be prepared for firing in 30 seconds and the crew can fire all 50 rockets within 25 seconds without the need for leaving the cabin.",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 7.4,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 2.5,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 2.9,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_hp",
      "v": 330,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "road_range_km",
      "v": 600,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_road_kmh",
      "v": 95,
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fording",
      "section": "mobility",
      "v": "1.2 m",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "HE-FRAG Rocket",
      "role": "ammunition",
      "src": [
        "weg-bm-21um-berest"
      ],
      "conf": "medium",
      "caps": {
        "Warhead": "18 kg"
      },
      "qty": "50 ea"
    }
  ],
  "variants": [],
  "art": "mlrs",
  "image": {
    "file": "bm-21um-berest.jpg",
    "thumb": "bm-21um-berest-thumb.jpg",
    "credit": "Zinnsoldat",
    "license": "CC BY-SA 4.0",
    "url": "https://commons.wikimedia.org/wiki/File:BM-21UM_Berest_02.jpg",
    "title": "File:BM-21UM Berest 02.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 (CC BY-SA 4.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/bm-21um-berest.html",
  "sources": {
    "weg-bm-21um-berest": {
      "title": "BM-21UM Berest Ukrainian 122mm Multiple Rocket Launcher",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/BM-21UM_Berest_Ukrainian_122mm_Multiple_Rocket_Launcher",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}