{
  "id": "m142-himars",
  "name": "M142 HIMARS",
  "aliases": [
    "High Mobility Artillery Rocket System"
  ],
  "domain": "land",
  "country": "USA",
  "category": "Rocket artillery",
  "status": "in-service",
  "fielded": null,
  "operators": [
    "USA"
  ],
  "summary": "Wheeled multiple launch rocket system on the Army's FMTV 5-ton truck, firing the full MLRS family of munitions.",
  "specs": [
    {
      "k": "range_max_km",
      "v": 499,
      "src": [
        "lm-prsm"
      ],
      "conf": "high",
      "note": "With PrSM; see payload options"
    },
    {
      "k": "loadout",
      "v": "Six GMLRS rockets, two PrSM, or one ATACMS",
      "src": [
        "lm-himars"
      ],
      "conf": "high"
    },
    {
      "k": "chassis",
      "v": "FMTV 5-ton truck",
      "src": [
        "lm-himars"
      ],
      "conf": "high"
    },
    {
      "k": "crew",
      "v": 3,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "Oshkosh Defense- FMTV 6 × 6; however, the HIMARS launcher can be fitted onto other 6 × 6 tactical truck chassis types with similar payload capabilities.",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement time",
      "section": "system",
      "v": "Less than 3 min",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Emplacement time",
      "section": "system",
      "v": "Less than 3 min",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 7.7,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 2.4,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 2.91,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "combat_weight_t",
      "v": 15.87,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_name",
      "v": "Caterpillar 3116 ATAAC",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_hp",
      "v": 330,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Suspension",
      "section": "mobility",
      "v": "torsion bar, 6 dual road wheels, front drive, rear idler, 2 shock absorbers, 4 return rollers",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fording",
      "section": "mobility",
      "v": "1.5 m (with preparation)",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Elevation",
      "section": "armament",
      "v": "60 deg (1,067 mils)",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Elevation rate",
      "section": "armament",
      "v": "0.9 deg (15.5 mils)",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fire control system",
      "section": "firecontrol",
      "v": "Lockheed Martin Universal Fire Control System (UFCS); In a typical mission, a command and control post would transmit the selected target data via a secure data link to the HIMARS on-board launch computer. The computer then aims the launcher and provides prompt signals to the crew to arm and f",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Computerized FCS",
      "section": "firecontrol",
      "v": "Yes",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Cab Armor",
      "section": "protection",
      "v": "The cab is protected against small-arms fire and shell fragments by aluminum armor and louvred windows.",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "main_armament",
      "v": "M269 launcher loader module (LLM), 227 mm",
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_road_kmh",
      "v": 64,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    },
    {
      "k": "road_range_km",
      "v": 484,
      "src": [
        "weg-m142-himars"
      ],
      "conf": "medium"
    }
  ],
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-03",
      "change": "Initial draft entry from cited open sources"
    },
    {
      "date": "2026-10-03",
      "change": "Added payload options and capabilities"
    },
    {
      "date": "2026-10-04",
      "change": "Added photo (Public domain)"
    },
    {
      "date": "2026-10-04",
      "change": "Added 18 values from the Worldwide Equipment Guide (ODIN)"
    },
    {
      "date": "2026-10-10",
      "change": "Added 2 values from the Worldwide Equipment Guide (ODIN)"
    }
  ],
  "art": "mlrs",
  "image": {
    "file": "m142-himars.jpg",
    "thumb": "m142-himars-thumb.jpg",
    "credit": "Charles Rosemond",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:180614-A-IY962-102_-_M142_High_Mobility_Artillery_Rocket_System_(HIMARS)_firing_during_Saber_Strike_18_(Image_4_of_7).jpg",
    "title": "File:180614-A-IY962-102 - M142 High Mobility Artillery Rocket System (HIMARS) firing during Saber Strike 18 (Image 4 of 7).jpg"
  },
  "payloads": [
    {
      "name": "GMLRS Unitary",
      "role": "Precision rocket for point targets",
      "src": [
        "lm-gmlrs"
      ],
      "conf": "high",
      "range_km": 70,
      "qty": "6 per pod",
      "caps": {
        "Warhead": "200-lb unitary"
      },
      "note": "Range exceeds 70 km"
    },
    {
      "name": "GMLRS Alternative Warhead",
      "role": "Precision rocket for area targets",
      "src": [
        "lm-gmlrs"
      ],
      "conf": "high",
      "range_km": 70,
      "qty": "6 per pod",
      "caps": {
        "Warhead": "200-lb class fragmenting"
      },
      "note": "Range exceeds 70 km"
    },
    {
      "name": "ER GMLRS",
      "role": "Extended-range precision rocket",
      "src": [
        "lm-gmlrs"
      ],
      "conf": "high",
      "range_km": 150,
      "qty": "6 per pod",
      "caps": {
        "Notes": "Larger motor; tail-driven control for maneuverability"
      }
    },
    {
      "name": "ATACMS Block 1A",
      "role": "Tactical ballistic missile",
      "src": [
        "csis-atacms",
        "lm-himars"
      ],
      "conf": "medium",
      "range_km": 300,
      "qty": "1 per load",
      "caps": {
        "Payload": "160–560 kg",
        "Warhead": "HE, blast fragmentation or submunitions"
      }
    },
    {
      "name": "PrSM Increment 1",
      "role": "Long-range precision strike missile",
      "src": [
        "lm-prsm",
        "lm-himars"
      ],
      "conf": "high",
      "range_km": [
        60,
        499
      ],
      "qty": "2 per pod",
      "caps": {
        "Payload": "Insensitive-munition energetic payload"
      },
      "note": "Manufacturer states 60 to 499+ km"
    }
  ],
  "variants": [],
  "prolif_count": 8,
  "url": "https://www.defensepedia.com/systems/m142-himars.html",
  "sources": {
    "lm-prsm": {
      "title": "Precision Strike Missile (PrSM)",
      "publisher": "Lockheed Martin",
      "url": "https://www.lockheedmartin.com/en-us/products/precision-strike-missile.html",
      "published": "2026-10-03",
      "tier": 1,
      "checked": "2026-10-03"
    },
    "lm-himars": {
      "title": "High Mobility Artillery Rocket System",
      "publisher": "Lockheed Martin",
      "url": "https://www.lockheedmartin.com/en-us/products/high-mobility-artillery-rocket-system.html",
      "published": "2026-10-03",
      "tier": 1,
      "checked": "2026-10-03"
    },
    "weg-m142-himars": {
      "title": "M142 (HIMARS) American Artillery Rocket System",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/M142_HIMARS_American_Artillery_Rocket_System",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    },
    "lm-gmlrs": {
      "title": "Guided MLRS Unitary Rocket",
      "publisher": "Lockheed Martin",
      "url": "https://www.lockheedmartin.com/en-us/products/guided-mlrs-unitary-rocket.html",
      "published": "2026-10-03",
      "tier": 1,
      "checked": "2026-10-03"
    },
    "csis-atacms": {
      "title": "Army Tactical Missile System (ATACMS)",
      "publisher": "CSIS Missile Defense Project",
      "url": "https://missilethreat.csis.org/missile/atacms/",
      "published": "2024-04-23",
      "tier": 2,
      "checked": "2026-10-03"
    }
  }
}