Royal Navy Wildcat achieves IOC with Sea Venom

The Royal Navy has reached a significant milestone in its Future Anti-Surface Guided Weapon (FASGW) programme with the announcement that the Sea Venom anti-ship missile has achieved Initial Operating Capability (IOC). This declaration, made on October 2, formally permits the missile’s deployment on front-line duties aboard the Wildcat maritime attack helicopter.

The IOC achievement occurred during Operation Highmast, the Carrier Strike Group’s deployment to the Indo-Pacific region, led by the flagship HMS Prince of Wales. Four Wildcats from 815 Naval Air Squadron have been armed with Sea Venom for this deployment, with aircraft operating across the Carrier Strike Group’s surface escorts, specifically HMS Prince of Wales, destroyer HMS Dauntless, and the Norwegian frigate HNoMS Roald Amundsen. Sea Venom was originally deployed during the 2021 deployment of the UK Carrier Strike Group, but it was later declared that integration was delayed and full operating capability was expected in 2026. 

The integration of Sea Venom is described by naval command as a transformational capability enhancement for the Fleet Air Arm. Commander James Woods, Commanding Officer of 815 Naval Air Squadron, noted that the weapon delivers a combination of precision, reach, and flexibility, providing the ability to neutralise maritime, coastal, and land threats at extended range.

A single Wildcat helicopter can carry up to four Sea Venom missiles. This capacity allows it to engage multiple targets in a single sortie or the execution of a salvo attack against a larger surface combatant. The missile’s destructive power is optimised against larger warships, such as corvettes and patrol vessels, while retaining the capability to accurately engage coastal installations and land-based targets.

The Sea Venom provides the long-range component of the FASGW effort, complementing the Martlet missile, which delivers the short-range capability, primarily intended for neutralising boat swarms and smaller vessels. Commander Andrew Henderson, Commander of the Wildcat Maritime Force, affirmed that the precision, range, and versatility of the integrated weapon system significantly enhances the Royal Navy’s lethality. 

Tech profile: Sea Venom

The Royal Navy has reached a significant milestone in its Future Anti-Surface Guided Weapon (FASGW) programme with the announcement that the Sea Venom anti-ship missile has achieved Initial Operating Capability (IOC). Credit: Royal Navy. 

The Sea Venom missile serves as the long-range component of the Royal Navy’s anti-surface warfare (ASuW) capability, designed for use by the Wildcat HMA2 maritime attack helicopter. They are designed and manufactured by MBDA to replace the Sea Skua missile. Each Wildcat is capable of carrying up to four missiles, which each have a 30 kg warhead and can fly varied flight profiles. The weapon is primarily optimised against larger surface targets, such as corvettes and patrol ships, while also retaining high accuracy against coastal installations and other land-based targets. A key technical feature is its advanced guidance system, which includes an ‘operator-in-the-loop’ capability; this allows the operator to transmit real-time trajectory adjustments mid-flight based on an infra-red image that is transmitted back from the missile, enabling precise targeting control even when managing up to four weapons simultaneously. 

Calibre comment

It has been a busy few months for the Royal Navy, with earlier an announcement indicating that the Naval Strike Missile has been fired by HMS Somerset in an exercise in Norway for the first time. In mid-September it was announced that the Peregrine UAS had been declared ready for frontline operational use. These developments are welcome for the improved lethality and reconnaissance capabilities that they bring to the Royal Navy, but the ambitions of the current First Sea Lord will require much more rapid innovation and development in the next two years. Sea Venom was undergoing testing in 2016 and was test-fired from a AS365 Dauphin helicopter in 2017. For it only now to be reaching its IOC is reflective of a long and challenging development timeframe. While this may be peculiar to guided missiles, the Royal Navy has been charged with launching a jet-powered autonomous platform from one of its carriers in the next two years. 

By Sam Cranny-Evans, published on October 3, 2025. The lead image shows three Wildcat helicopters flying over HMS Prince of Wales during Operation HIGHMAST. Credit: Royal Navy.