Seaslug Mk. II missile
Royal Air Force Hawker Siddeley Hawk T.1A, with its pilot. This aircraft, used for aerobatic displays, is in a special colour scheme.
Seaslug on display at Wickenby Aerodrome, Lincolnshire, UK
Caboose built in the Hawker Siddeley plant of Thunder Bay, Ontario
Test firing from the trials ship HMS Girdle Ness (A387), circa 1961.
A Hawker Siddeley Trident.
The Seaslug launcher mounted on the quarterdeck of HMS Glamorgan, circa 1972
The firing of the first Seaslug test missile from HMS Girdle Ness (A387). This version is based on the RAE's early GPV, and retains the rear-mounted boosters before they moved forward on the "long round".
Map with Seaslug operators in blue

Seaslug was a first-generation surface-to-air missile designed by Armstrong Whitworth (later part of the Hawker Siddeley group) for use by the Royal Navy.

- Seaslug (missile)

Sea Slug – Armstrong Whitworth surface-to-air missile.

- Hawker Siddeley

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Alpha

The last of 100 Gloster Meteor NF.14 night fighters built for the RAF at AWA's factories demonstrating at the 1954 Farnborough Air Show

Armstrong Whitworth Aircraft

British aircraft manufacturer.

British aircraft manufacturer.

The last of 100 Gloster Meteor NF.14 night fighters built for the RAF at AWA's factories demonstrating at the 1954 Farnborough Air Show

In 1935, J. D. Siddeley retired and Armstrong Whitworth Aircraft was purchased by Hawker Aircraft, the new group becoming Hawker Siddeley Aircraft.

Seaslug (missile)

Sea Dart drill missiles on in 2012

Sea Dart

Royal Navy surface-to-air missile system designed in the 1960s and entering service in 1973.

Royal Navy surface-to-air missile system designed in the 1960s and entering service in 1973.

Sea Dart drill missiles on in 2012
Sea Dart missile illustration. The Chow booster is on the extreme right. The four small receiver antennas for the semi-active radar homing are visible on the left. The antennas are arranged to provide phase-comparison to improve accuracy.
Sea Dart on in 1982 (taken after the Falklands War had ended)
Canberra bomber B-108 of Grupo de Bombardeo 2. This Argentine aircraft was shot down by a Sea Dart on 13 June 1982.
Sea Dart on Invincible
conducting the final Sea Dart missile firing at the north western Scottish range of Benbecula. The ship fired five missiles, three single missiles and a two-missile salvo at an unmanned drone target.
Map with former Sea Dart operators in red

Originally developed by Hawker Siddeley, the missile was built by British Aerospace after 1977.

Britain's first naval surface-to-air missile was GWS1 Seaslug, which entered service in 1963.