AGM-84 Harpoon

AGM-84 Harpoon
Avriette · CC BY-SA 3.0 · source
Name	AGM-84 Harpoon
Type	Anti-ship missile
Origin	United States
Manufacturer	Boeing Defense, Raytheon Technologies
Service	1977–present
Weight	~488 kg (varies by variant)
Length	~3.8 m
Diameter	34.3 cm
Wingspan	~1.1 m
Speed	Subsonic (~0.85 Mach)
Range	60–280+ km (variant dependent)
Warhead	221 kg blast-fragmentation
Guidance	Inertial, active radar homing, GPS, data link

AGM-84 Harpoon is an American long-standing anti-ship missile family developed during the Cold War for maritime strike and littoral control. Designed for carriage by aircraft, surface ships, submarines, and coastal batteries, the Harpoon series became a cornerstone of United States Navy anti-surface warfare and has been integrated with numerous Western and allied platforms. Its service record spans conflicts from the Cold War through 21st-century regional wars, and it remains in production and upgrade programs managed by major defense contractors.

Development

Development of the Harpoon began under programs initiated by the Naval Air Systems Command and Boeing in response to perceived Soviet naval threats in the 1960s and 1970s. Early work involved competition among contractors including McDonnell Douglas and General Dynamics to meet requirements set by the Office of Naval Research and the Department of Defense for a low-altitude, sea-skimming anti-ship weapon. After flight testing, the missile entered service with the United States Navy in 1977 following integration trials with platforms such as the Boeing P-3 Orion and the Grumman F-14 Tomcat. Subsequent modernization initiatives tied to programs from Defense Advanced Research Projects Agency concepts and industry efforts resulted in upgraded electronics, propulsion, and guidance tied to procurement decisions by the Naval Air Systems Command and export approvals handled by the U.S. State Department.

Design and specifications

The Harpoon's airframe features a solid-fuel turbojet sustainer and folded wings suitable for internal and external carriage on combat aircraft like the McDonnell Douglas F/A-18 Hornet and the Grumman F-14 Tomcat. Its subsonic cruise profile and sea-skimming flight reduce radar detection against systems such as the S-300F and contemporary radars from manufacturers like Raytheon and Thales Group. The baseline warhead is a 221 kg blast-fragmentation charge engineered to damage hulls and critical systems while its range and flight envelope vary across increments, with later variants extending reach using improved fuel and guidance sealed by contractors including Boeing Defense and Raytheon Missiles & Defense. Launch configurations include capsule or canister modes for submarine launch and deck mountings for surface combatants such as the Arleigh Burke-class destroyer.

Variants

Variants evolved to meet multi-platform requirements and countermeasures encountered in theaters like the Gulf War and Falklands War aftermath studies. Major branches include air-launched models adopted by United States Navy aviation, ship-launched versions installed in Mk 32 and Mk 141 canisters, and submarine-launched encapsulated variants tested on classes like the Los Angeles-class submarine and Virginia-class submarine with adaptations for AN/SSQ-89 family integration. Block upgrades (e.g., Block 1C, Block 1D, Block II, Block II+) introduced enhancements in navigation with Global Positioning System augmentation, improved seekers from contractors in the Defense Industry and expanded datalink interoperability with systems such as the Aegis Combat System.

Operational history

Harpoon missiles have seen service in many conflicts and incidents, from peacetime deterrence patrols during the Cold War to kinetic use in regional crises such as actions involving Iraq in the Gulf War and engagement reports in the South China Sea. NATO exercises integrated Harpoon salvos during training coordinated by organizations like NATO and the United States Sixth Fleet. Engagement analyses published by naval analysts compared Harpoon performance to contemporaries including the Exocet and P-15 Termit when assessing lethality against surface combatants in littoral environments. Lessons learned from operational deployments fed into upgrade cycles sponsored by the Office of Naval Research and contractor modernization programs.

Deployment and platforms

The Harpoon has been deployed from fixed-wing aircraft, rotary-wing platforms, surface ships, and submarines. Aircraft platforms include the Boeing P-3 Orion, Lockheed P-3C Orion, McDonnell Douglas F/A-18 Hornet, Grumman F-14 Tomcat, Lockheed Martin F-35 Lightning II (planned integrations), and maritime patrol aircraft of allied services. Surface ship installations appear on destroyers and frigates such as the Oliver Hazard Perry-class frigate, Type 23 frigate, and Kirov-class battlecruiser-era comparisons in export assessments. Submarine launches were validated on Los Angeles-class submarine and retrofits were pursued for S-80-class submarine and other designs via encapsulated launch capsules and vertical launch systems used aboard cruisers and destroyers integrated with Mk 41 Vertical Launching System interfaces in concept studies.

Guidance and targeting systems

Harpoon guidance integrates inertial navigation updated by active radar homing in terminal phase, with later blocks adding seekers and datalinks compatible with systems such as Link 16, Global Positioning System, and shipboard fire control radars like the AN/SPY-1. Mid-course updates enable cooperative salvo tactics studied in exercises overseen by Naval Surface Warfare Center and doctrine publications from United States Fleet Forces Command. Electronic countermeasure resistance evolved through seeker improvements supplied by contractors including Raytheon and sensor fusion approaches influenced by research at institutions like Naval Postgraduate School.

Export and operators

The Harpoon family was exported under U.S. foreign military sales to a wide range of allies and partners, including air arms and navies of Australia, United Kingdom, Japan, South Korea, Canada, Netherlands, Norway, Taiwan, Egypt, and Saudi Arabia. Export approvals and license agreements were administered by the U.S. State Department and coordinated with defense contractors such as Boeing and Raytheon to tailor variants for recipient platforms and doctrine. International upgrades and licensed production in partner nations contributed to interoperability within alliances like NATO and coalition operations.

Category:Anti-ship missiles