AGM-114 Hellfire

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AGM-114 Hellfire
Hellfire Component model
Type Air-to-ground and surface-to-surface Missile
Nationality United States
Era Cold War and through Global War on Terrorism
Launch platform Rotary- and fixed-wing platforms, Unmanned aerial vehicle, tri-pods, ships, and ground vehicles
Target Three warhead variants defeat an array of targets including tanks, light armored vehicles, trucks, bunkers, caves, buildings, boats and ships
History
Builder Lockheed Martin
Date of design  HELLFIRE I - 1972

HELLFIRE II - 1990

Production period  
Service duration  
Operators See main text
Variants See main text
Number built over 20,000 HELLFIRE II missiles have been built
Specifications
Type  
Diameter 17.8 cm (7 in)
Wing span 33 cm (13 in)
Length 163 cm (64 in)
Weight Approx. 50 kg (110 lb)
Propulsion Solid fuel rocket
Steering  
Guidance Semi-active laser homing and millimeter wave radar seeker
Speed supersonic
Range 0.5–8 km (546 yd–5 mi)
Ceiling  
Payload
Warhead High Explosive Anti-Tank (HEAT), Metal Augmented Charge (MAC), Blast Fragmentation
Trigger Impact

AGM-114 Hellfire is a multi-platform, multi-target U.S. modular missile system.

Contents

The HELLFIRE missile was initially designed in the 1970s to be primarily used as a "tank-buster", launched from helicopters to defeat armored vehicles. [1] The early variants were laser guided with recent variants being radar guided. The HELLFIRE has matured into a comprehensive weapon system capable of being deployed from rotary- and fixed-wing aircraft, naval assets and land-based systems against a variety of targets.

HELLFIRE II, developed in the early 1990s is a modular missile system with several variants for maximum battlefield flexibility. HELLFIRE II's semi-active laser variants (AGM-114K high-explosive anti-tank (HEAT),AGM-114KII with external blast frag sleeve, AGM-114M [blast fragmentation], and AGM-114N metal augmented charge [MAC]) achieve pinpoint accuracy by homing in on a reflected laser energy beam aimed at the target from the launching platform. The AGM-114L, or Longbow HELLFIRE, is a fire-and-forget weapon: equipped with a millimeter wave (MMW) radar seeker, it requires no further guidance after launch and can hit its target without the launcher being in line of sight of the target. It also provides capability in adverse weather and battlefield obscurants.

HELLFIRE II (along with the AGM-65 Maverick) was to be replaced by the Joint Common Missile (JCM) around 2011. The JCM was developed with a tri-mode seeker and a multi-purpose warhead that would combine the capabilities of the several Hellfire variants. In the budget for FY2006, the US Department of Defense canceled a number of projects that they felt no longer warranted continuation based on their cost effectiveness, including the JCM, although some military and industry sources have produced data showing JCM is the most cost-effective way of adding performance across multiple platforms to meet projected threat growth on a timely basis. A possible new procurement for a JCM successor called the Joint Air to Ground Missile (JAGM) is under consideration. Due to the U.S. military's continuing need for a proven precision-strike aviation weapon in the interim until a successor to the JCM is fielded, as well as extensive foreign sales, it is likely the Hellfire will continue to remain in service for many years to come.

Since being fielded, HELLFIRE missiles have proven their effectiveness in combat in Operation Just Cause in Panama, Operation Desert Storm, Operation Allied Force in Kosovo, Operation Enduring Freedom in Afghanistan, and most recently, Operation Iraqi Freedom—where they have been fired successfully from Apache and Cobra attack helicopters, Kiowa scout helicopters, and Predator unmanned aerial vehicles (UAVs). The Israeli Defence Forces have used them extensively against Palestinian targets.

Hellfire loaded onto the rails of a United States Marine Corps AH-1W Super Cobra at Balad Air Base in Iraq in 2005.
Hellfire loaded onto the rails of a United States Marine Corps AH-1W Super Cobra at Balad Air Base in Iraq in 2005.

The system has been tested for use on the High Mobility Multipurpose Wheeled Vehicle (HMMWV) and the Improved TOW Vehicle (ITV). Test shots have also been fired from a C-130 Hercules (see photos below). Sweden and Norway use the Hellfire for coastal defense, and Norway has conducted tests with Hellfire launchers and aiming stations mounted on the Stridsbåt 90 coastal assault boat[2].

Flag of Australia Australia
Flag of France France
Flag of Egypt Egypt
Flag of Greece Greece
Flag of Israel Israel
Flag of Italy Italy
Flag of the Netherlands Netherlands
Flag of Norway Norway
Flag of the Republic of China Republic of China (Taiwan)
Flag of Singapore Singapore
Flag of Sweden Sweden
Flag of Turkey Turkey
Flag of the United Arab Emirates United Arab Emirates
Flag of the United Kingdom United Kingdom
Flag of the United States United States

  • Contractors: Rockwell International Corporation, Lockheed Martin, Northrop Grumman
    • In May 1995, Martin Marietta (now Lockheed Martin) and Rockwell International (now part of Boeing Integrated Defense Systems) formed a joint venture – HELLFIRE Systems, Limited Liability Company (HSLLC) – to market and produce HELLFIRE missiles worldwide. The joint venture does not extend to Lockheed Martin’s Longbow HELLFIRE, where the company is in a joint venture with Northrop Grumman, nor to HELLFIRE II, where Lockheed Martin performs all work scope on behalf of HSLLC
  • Diameter: 17.8 cm (7 in)
  • Wing span: 71 cm (28 in)
  • Velocity: 425 m/s (950 mph)
  • Minimum range: 0.5 km

  • M120E1 low smoke motor.
  • AGM-114B has electronic SAD (Safe/Arming Device) for safe shipboard use.
  • Unit cost: $25,000

  • Proposed upgrade of AGM-114B/C with digital autopilot—not built.

  • Target: Tanks, armored vehicles.
  • Range: 7,000 m (7,650 yd)
  • Guidance: Semi-active laser homing.
  • Warhead: 9 kg (20 lb) tandem shaped charge HEAT.
  • Length: 180 cm (71 in)
  • Weight: 48.5 kg (107 lb)

  • Proposed version of AGM-114F with SAD—not built.

  • Proposed upgrade of AGM-114F with digital autopilot—not built.

  • Proposed version of AGM-114F with lighter components, shorter airframe, and increased range—not built.

A Hellfire II cross-sectioned.
A Hellfire II cross-sectioned.
  • Target: All armored threats
  • Range: 8 km (8,749 yd)
  • Guidance:
    • Semi-active laser homing
    • Digital autopilot
    • Electro-optical countermeasures hardening
    • Target reacquisition after lost laser lock
  • New electronic SAD
  • Warhead: 9 kg (20 lb) tandem shaped charge HEAT
  • Length: 163 cm (64 in)
  • Weight: 45 kg (99 lb)
  • Unit cost: $65,000
  • Essentially the proposed AGM-114J w/ SAD

  • Target: All armored threats
  • Range: 8 km (8,749 yd)
  • Guidance:
    • Fire and forget
    • Capability in adverse weather and battlefield obscurants
    • Inertial guidance
    • Millimeter wave radar seeker
    • Home-on-jam anti-radiation mode
  • Warhead: 9 kg (20 lb) tandem shaped charge high explosive anti-tank (HEAT)
  • Length: 176 cm (69.2 in)
  • Weight: 49 kg (108 lb)

  • Target: Bunkers, light vehicles, urban (soft) targets and caves
  • Range: 8 km (8,749 yd)
  • Guidance:
    • Semi-active laser homing
  • Warhead: Blast fragmentation/incendiary
  • Weight: 48 kg (105 lb)
  • Length: 163 cm (64 in)

  • Target: Enclosures, ships, urban targets, air defense units
  • Range: 8 km (8,749 yd)
  • Guidance:
    • Semi-active laser homing
  • Warhead: Metal augmented charge (MAC)
  • Weight: 48 kg (105lb)
  • Length: 163 cm (64 in)

  • Version of AGM-114K optimized for use from UAVs flying at high-altitude.

Cross section diagram of Hellfire rocket motor, showing the rod and tube grain design.
Cross section diagram of Hellfire rocket motor, showing the rod and tube grain design.
  • Contractor: Alliant Techsystems
  • Designation:
    • M120E3 (Army)
    • M120E4 (Navy)
  • Main features:
    • Qualified minimum smoke propellant
    • Rod and tube grain design
    • Neoprene bondline system
  • Performance:
    • Operating temperature: −43 °C to 63 °C (−45 °F to 145 °F)
    • Storage temperature: −43 °C to 71 °C (−45 °F to 160 °F
    • Service life: 20+ years (estimated)
  • Technical data:
    • Weight: 14.2 kg (31.3 lb)
    • Length: 59.3 cm (23.35 in)
    • Diameter: 18 cm (7.0 in)
    • Case: 7075-T73 aluminum
    • Insulator: R-181 aramid fiber-filled EPDM
    • Nozzle: Cellulose phenolic
    • Propellant: Minimum smoke cross linked double based (XLDB)


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