Gabriel (missile)

Israel Aerospace Industries
Industry	Aerospace, defense
Founded	1953
Headquarters	Lod, Israel
Products	Missiles, aerospace systems, defense systems
Website	www.iai.co.il

Gabriel denotes a series of sea skimming anti-ship missiles manufactured by Israel Aerospace Industries (IAI). Originating in the 1960s to fulfill the operational needs of the Israeli Navy, the missile was officially deployed in 1970. Numerous Gabriel versions have been distributed internationally, with the most recent iteration, Gabriel V, actively used by both the Finnish and Israeli naval forces as of 2020.

Origin

The sinking of the destroyer INS Eilat on October 21, 1967, by four Styx missiles near the northern Sinai coastline resulted in 47 fatalities and approximately 100 wounded among Israeli personnel. This incident expedited IAI’s efforts to develop an indigenous anti-ship missile, a project initially initiated in 1958 under the Luz program.

Development

Facing difficulties from Rafael Advanced Defense Systems concerning a new guidance solution, Shlomo Erell assigned Israel Aerospace Industries (IAI) to lead the project, enlisting former Rafael engineer Ori Even-Tov. Even-Tov suggested substituting the Luz’s joystick control with an autonomous guidance system capable of targeting in poor weather or limited visibility conditions. He also incorporated an altimeter to sustain sea-skimming flight profiles, improving stealth capabilities and enabling accurate strikes just above the sea surface. The missile's navigation relied on radar from the launching ship while the altimeter maintained low-altitude flight.

Gabriel Mk 1

Work on the Gabriel missile for the Israeli Navy commenced in 1962, with its public debut occurring in 1970. This model was the first operational sea-skimming missile globally and was heavily utilized during the Yom Kippur War. The Republic of China Navy acquired a batch of 50 units for evaluation and temporary deployment on modernized Allen M. Sumner-class destroyers equipped with Gabriel Mk 2 systems. The Gabriel Mk 1 also served as a technological basis for Taiwan’s Hsiung Feng I missile.

Gabriel Mk 2

Released in 1972 and entering active service by 1976, Gabriel Mk 2 incorporated substantial enhancements and was produced under license in South Africa as Skerpioen (meaning Scorpion in Afrikaans). Taiwan’s Hsiung Feng I missile mirrors this advancement, sharing similar improvements and compatible warhead components with Gabriel Mk 2.

Gabriel III

Introduced in 1978, Gabriel III along with its air-launched counterpart Gabriel III A/S included significant technological upgrades. The Gabriel III A/S variant offers a range surpassing 60 km, and both models employ the widely used fire and forget guidance system, increasing tactical versatility.

Gabriel IV

Developed during the early 1990s, Gabriel IV is an evolution of Gabriel Mk III but features a larger airframe powered by a turbojet engine for extended flight duration. It is distinguishable by its swept wings with truncated tips compared to its predecessor. It supports three guidance modes: Fire and Forget, Fire and Update via data link, and Fire and Command using radar updates.

Gabriel V

Israel Aerospace Industries (IAI) is advancing the Gabriel V Advanced Naval Attack Missile equipped with a sophisticated active multi-spectral seeker designed specifically for complex littoral environments. As of 2020, this version is operational within Finnish and Israeli naval fleets and offers a strike range between 200 km and 400 km. On September 21, 2022, the Israel Defense Forces successfully conducted a test launch of this missile variant.

Blue Spear and Sea Serpent missile systems

In 2020, Israel Aerospace Industries (IAI) partnered with Singapore's ST Engineering to establish a joint venture equally owned by both parties, named Proteus Advanced Systems, aimed at developing and promoting an upgraded version of the Gabriel V missile called Blue Spear. This missile is designed for both maritime and terrestrial strike operations, featuring enhanced agility in coastal environments. It is equipped with an active radar seeker, highly accurate inertial navigation system (INS), beyond-line-of-sight (BLOS) targeting, a two-way datalink enabling in-flight retargeting or updates ("fire and update"), and a GPS navigation system resistant to jamming. For land attack roles, Blue Spear can follow terrain contours independently of INS/GPS satellites, supported by terminal active radar homing. The system integrates multiple counter-countermeasure technologies to address electronic warfare threats. ST Engineering supplies critical components including the booster motor and warhead. A truck-mounted variant on an 8x8 chassis was delivered to Estonia in 2021. The missile’s reinforced casing improves its resistance against close-in weapon systems (CIWS) and air defense artillery fire.

In 2021, IAI collaborated with Thales to offer a Gabriel V/Blue Spear-based missile named Sea Serpent to the Royal Navy as a successor to the aging Harpoon missile. Unveiled at DSEI 2021, Sea Serpent shares its development lineage with Blue Spear and is based on the Gabriel V platform, providing a low-altitude sea-skimming flight profile with a range exceeding 290 kilometers—comparable to Gabriel V’s maximum reach of up to 400 kilometers depending on trajectory.

That same year, Estonia acquired the Blue Spear missile system with an operational range around 290 kilometers; each unit is valued at roughly $5 million. In May 2022, reports surfaced alleging Estonia had transferred a Blue Spear missile to Ukraine; these claims were refuted by both governments.

Beginning in 2028, during mid-life upgrade programs, ST Engineering will supply Blue Spear missiles for the Republic of Singapore Navy’s six Formidable-class frigates to replace their existing American-made Harpoon systems.

Older models

Previous iterations of the Gabriel missile continue to be operational within several navies: the Chile (Sa'ar 4 equipped with Gabriel II), Israel (Sa'ar 4.5 outfitted with Gabriel II), Mexico (Sa'ar 4.5 carrying Gabriel II), Sri Lanka (Sa'ar 4 armed with Gabriel II), and Thailand (FPB-45 fitted with Gabriel I).

Operational history

The inaugural combat deployment of the Gabriel I missile occurred during the Yom Kippur War at the Battle of Latakia, where Israeli missile boats armed with Gabriel Mk 1 missiles overcame Syrian vessels equipped with Soviet P-15 Termit (SS-N-2 Styx) missiles. Although the Styx missiles possessed longer engagement ranges, the Gabriels’ superior reliability and maneuverability ensured Israeli naval dominance. Syrian missile launches missed their targets due to Israeli electronic countermeasures, while Israeli forces sank all but one Syrian Osa class, which was subsequently destroyed by naval gunfire. This success extended against Egyptian naval forces as well, securing Israeli control over maritime engagements throughout the conflict.

Details

During the 1973 hostilities, the performance of P-15 Termit missiles was notably poor; Western sources report that between October 6 and 12, 54 such missiles were fired without any confirmed hits. Russian records acknowledge seven small vessels sunk but agree that overall effectiveness was limited. In contrast, Israeli Gabriel Mk.1 missiles are credited internationally with sinking seven Egyptian and Syrian ships.

The initial encounter on October 6–7 near Latakia involved Israeli helicopters simulating naval targets, which caused Syrian P-15 missiles to miss while Gabriels successfully destroyed a T-43 trawler and three torpedo boats. Syrian missile boats withdrew without damage after their missiles failed to lock onto helicopters that evaded radar tracking. Similar tactics were employed against Egyptian forces near Sinai.

On October 10–11 near Latakia, missile exchanges took place without helicopter decoys; Israeli vessels deployed chaff while Syrian ships operated amid merchant traffic. Gabriels sank two Syrian warships and also struck two neutral merchant vessels—the Greek Tsimentaros and Japanese Yamashuro Maru. The Israelis attributed their fleet's survival largely to effective chaff deployment.

Later that night near Tartus, Syrian P-15 salvos again failed as Israeli helicopters maneuvered skillfully. Gabriels struck two Syrian Komar-class ships along with the Soviet merchant vessel Ilya Mechnikov. A comparable engagement occurred off Port Said on the same evening.