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Land ForcesUnited States

M142 HIMARS

Rocket artilleryIn servicePending verification

Also known as: High Mobility Artillery Rocket System

Land ForcesUSA
M142 HIMARS
Photo: Charles Rosemond · Public domain, Wikimedia Commons
Fact cardConfidence · Source
System
TypeRocket artillery
Alternative designationsHigh Mobility Artillery Rocket System
ProliferationAt least 8 countries
Crew3Med[1]
Displacement timeLess than 3 minMed[1]
Emplacement timeLess than 3 minMed[1]
Dimensions and weight
Length7.7 m25 ftMed[1]
Width2.4 m8 ftMed[1]
Height2.91 m10 ftMed[1]
Combat weight15.87 tMed[1]
Automotive performance
ChassisFMTV 5-ton truckHigh[2]
ChassisOshkosh Defense- FMTV 6 × 6; however, the HIMARS launcher can be fitted onto other 6 × 6 tactical truck chassis types with similar payload capabilities.Med[1]
EngineCaterpillar 3116 ATAACMed[1]
Engine power330 hpMed[1]
Suspensiontorsion bar, 6 dual road wheels, front drive, rear idler, 2 shock absorbers, 4 return rollersMed[1]
Fording1.5 m (with preparation)Med[1]
Max road speed64 km/h40 mph · 35 ktMed[1]
Cruising range484 km301 mi · 261 nmiMed[1]
Protection
Cab ArmorThe cab is protected against small-arms fire and shell fragments by aluminum armor and louvred windows.Med[1]
Armament
Maximum range499 km310 mi · 269 nmiWith PrSM; see payload optionsHigh[3]
LoadoutSix GMLRS rockets, two PrSM, or one ATACMSHigh[2]
Elevation60 deg (1,067 mils)Med[1]
Elevation rate0.9 deg (15.5 mils)Med[1]
Main armamentM269 launcher loader module (LLM), 227 mmMed[1]
Fire control
Fire control systemLockheed 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 fMed[1]
Computerized FCSYesMed[1]
Weapons and payload options · 5Confidence · Source
GMLRS UnitaryPrecision rocket for point targets
High[4]
Range
70 km43 mi · 38 nmi
Quantity
6 per pod
Warhead
200-lb unitary

Range exceeds 70 km

GMLRS Alternative WarheadPrecision rocket for area targets
High[4]
Range
70 km43 mi · 38 nmi
Quantity
6 per pod
Warhead
200-lb class fragmenting

Range exceeds 70 km

ER GMLRSExtended-range precision rocket
High[4]
Range
150 km93 mi · 81 nmi
Quantity
6 per pod
Notes
Larger motor; tail-driven control for maneuverability
ATACMS Block 1ATactical ballistic missile
Med[5][2]
Range
300 km186 mi · 162 nmi
Quantity
1 per load
Payload
160–560 kg
Warhead
HE, blast fragmentation or submunitions
PrSM Increment 1Long-range precision strike missile
High[3][2]
Range
60–499 km37–310 mi · 32–269 nmi
Quantity
2 per pod
Payload
Insensitive-munition energetic payload

Manufacturer states 60 to 499+ km

Summary

Wheeled multiple launch rocket system on the Army's FMTV 5-ton truck, firing the full MLRS family of munitions.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
United States
Sources
  1. M142 (HIMARS) American Artillery Rocket System, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
  2. High Mobility Artillery Rocket System, Lockheed Martin
    Published/updated 2026-10-03 · Tier 1 · checked 2026-10-03
  3. Precision Strike Missile (PrSM), Lockheed Martin
    Published/updated 2026-10-03 · Tier 1 · checked 2026-10-03
  4. Guided MLRS Unitary Rocket, Lockheed Martin
    Published/updated 2026-10-03 · Tier 1 · checked 2026-10-03
  5. Army Tactical Missile System (ATACMS), CSIS Missile Defense Project
    Published/updated 2024-04-23 · Tier 2 · checked 2026-10-03
Change log
  • 2026-10-03 Initial draft entry from cited open sources
  • 2026-10-03 Added payload options and capabilities
  • 2026-10-04 Added photo (Public domain)
  • 2026-10-04 Added 18 values from the Worldwide Equipment Guide (ODIN)
  • 2026-10-10 Added 2 values from the Worldwide Equipment Guide (ODIN)