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"Blue" + "Steel" = Blue Steel, a nuclear-armed stand-off missile (History)
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"Green" + "Mace" = Green Mace, an anti-aircraft (AA) gun. (History)
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Black Arrow - a satellite launch vehicle derived from Blue Streak/Black Knight
(Black) (Projects) -
Black Knight - a launch vehicle used to test re-entry vehicles for Blue Streak
(Black) (Projects) -
Black Maria - fighter IFF interrogator
(Black) (Projects) -
Black Prince - proposed satellite launch vehicle based on Blue Streak/Black Knight — a.k.a. Blue Star
(Black) (Projects) -
Black Rock - surface to surface guided missile
(Black) (Projects) -
Blue Anchor - X-Band CW target illumination radar for Bristol Bloodhound
(Blue) (Projects) -
Blue Badger - truck-mounted nuclear land mine - later renamed Violet Mist
(Blue) (Projects) -
Blue Bishop - portable 2.5 MW nuclear-powered electrical generator - previously Green Janet
(Blue) (Projects) -
Blue Boar - TV-guided bomb
(Blue) (Projects) -
Blue Boy - VHF speech scrambling
(Blue) (Projects) -
Blue Bunny - ten-kiloton nuclear mine, see Blue Peacock
(Blue) (Projects) -
Blue Cat - nuclear warhead a.k.a. Tony - UK version of US W44, a.k.a. Tsetse
(Blue) (Projects) -
Blue Cedar - AA No. 3 Mk. 7 mobile anti-aircraft radar
(Blue) (Projects) -
Blue Danube - the first British nuclear weapon in service
(Blue) (Projects) -
Blue Devil - T4 optical bombsight - drift and ground speed from Green Satin
(Blue) (Projects) -
Blue Diamond - AA No. 7 anti-aircraft radar
(Blue) (Projects) -
Blue Diver - ARI (Airborne Radio Installation) 18075 airborne low-band VHF jammer - against metric frequency radar such as Tall King - fitted to Victor & Vulcan
(Blue) (Projects) -
Blue Dolphin - Blue Jay Mk V for Sea Vixen - see Hawker Siddeley Red Top
(Blue) (Projects) -
Blue Duck - Anti-Submarine Warfare missile, entered service as Ikara
(Blue) (Projects) -
Blue Envoy - surface-to-air missile to OR.1140, replaced Green Sparker as "Stage 2" SAM
(Blue) (Projects) -
Blue Fox - kiloton range nuclear weapon, later renamed Indigo Hammer - not to be confused with the later Blue Fox radar
(Blue) (Projects) -
Blue Fox - airborne radar
(Blue) (Projects) -
Blue Jacket - ARI (Airborne Radio Installation) 5880 airborne Doppler navigation radar fitted to Hawker-Siddeley Buccaneer aircraft.
(Blue) (Projects) -
Blue Jay - air-to-air missile - entered service as de Havilland Firestreak
(Blue) (Projects) -
Blue Joker - balloon-borne Early Warning radar - a.k.a. AMES Type 87
(Blue) (Projects) -
Blue Kestrel - search radar
(Blue) (Projects) -
Blue Lagoon - Infra-red air-to-air detector
(Blue) (Projects) -
Blue Moon - nuclear-armed cruise missile project, replaced by Blue Streak
(Blue) (Projects) -
Blue Oak - AWRE Atlas 2 super-computer used for simulation of nuclear explosions
(Blue) (Projects) -
Blue Orchid - Marconi doppler navigation equipment for helicopters
(Blue) (Projects) -
Blue Parrot - ARI 5930 I band automatic contour-following radar for Buccaneer - also known as AIRPASS II (AIRPASS=Airborne Interception Radar & Pilot's Attack Sight System)
(Blue) (Projects) -
Blue Peacock - ten-kiloton nuclear land mine - also known as Blue Bunny and Brown Bunny; it used the Blue Danube physics package.
(Blue) (Projects) -
Blue Ranger - Delivery of Blue Steel to Australia
(Blue) (Projects) -
Blue Rapier - Red Rapier - missiles - see UB.109T
(Blue) (Projects) -
Blue Riband - large jamming-resistant radar. Cancelled 1958 and replaced by a smaller version as Blue Yeoman.
(Blue) (Projects) -
Blue Rosette - short-case nuclear weapon bomb casing for reconnaissance bomber to spec R156T, including the Avro 730, Handley Page HP.100, English Electric P10, Vickers SP4 and others.
(Blue) (Projects) -
Blue Saga - ARI 18105 airborne radar warning receiver (RWR) - fitted to Victor & Vulcan
(Blue) (Projects) -
Blue Sapphire - astro-navigation system - see also Orange Tartan
(Blue) (Projects) -
Blue Shadow - navigation equipment for Canberra B.16, developed as Yellow Aster.
(Blue) (Projects) -
Blue Shield - see Armstrong Whitworth Sea Slug
(Blue) (Projects) -
Blue Silk - airborne Doppler navigation radar unit with lower speed range than Green Satin
(Blue) (Projects) -
Blue Sky - see Fairey Fireflash
(Blue) (Projects) -
Blue Slug - heavy ship-to-ship missile using Sea Slug launcher, nuclear or conventional
(Blue) (Projects) -
Blue Star - satellite launcher - see Black Prince
(Blue) (Projects) -
Blue Steel - an air-launched rocket propelled nuclear stand-off missile
(Blue) (Projects) -
Blue Stone - Unit 386D ENI (Electronic Neutron Initiator) - nuclear weapon component
(Blue) (Projects) -
Blue Streak - a medium-range ballistic missile
(Blue) (Projects) -
Blue Study - automatic blind bombing system for V-bombers
(Blue) (Projects) -
Blue Sugar - air-droppable target marking radio beacon developed by TRE.
(Blue) (Projects) -
Blue Vesta - a later version of the Blue Jay air-to-air missile
(Blue) (Projects) -
Blue Vixen - Pulse-Doppler radar for Sea Harrier FA2
(Blue) (Projects) -
Blue Warrior (EW) VHF/UHF Jammer countermeasure to use of Radar AA Shells
(Blue) (Projects) -
Blue Water - see Red Rose
(Blue) (Projects) -
Blue Yeoman - Early Warning radar, also known as AMES Type 85, a component Linesman. Name created from the "Blue" of Blue Riband and the Yeoman of Orange Yeoman. Potentially non-official name.
(Blue) (Projects) -
Brown Bunny - original, unofficial name for Blue Peacock
(Brown) (Projects) -
Green Apple - related to Window for measuring drift at sea
(Green) (Projects) -
Green Archer - mortar-locating radar
(Green) (Projects) -
Green Bamboo - nuclear weapon
(Green) (Projects) -
Green Bottle - 1944 device for homing on U-boat radio signals (ARI.5574)
(Green) (Projects) -
Green Cheese - nuclear anti-ship missile
(Green) (Projects) -
Green Flash - Green Cheese’s replacement
(Green) (Projects) -
Green Flax - Surface-to-Air Guided Weapon (SAGW) or surface-to-air missile (SAM); see Yellow Temple
(Green) (Projects) -
Green Garland - infrared proximity fuze for Red Top
(Green) (Projects) -
Green Garlic - Early Warning radar, also known as the AMES Type 80
(Green) (Projects) -
Green Ginger - surveillance radars - combined installation of AMES Type 88 and AMES Type 89
(Green) (Projects) -
Green Granite - thermonuclear warheads: Green Granite (small), and Green Granite (large), both tested at Operation Grapple
(Green) (Projects) -
Green Grass - nuclear warhead for Violet Club and Yellow Sun Mark 1 bombs
(Green) (Projects) -
Green Hammock - low-altitude bomber, Doppler navigation
(Green) (Projects) -
Green Janet - portable, nuclear power plant; see Blue Bishop
(Green) (Projects) -
Green Light - SAGW or SAM - see Short Sea Cat
(Green) (Projects) -
Green Lizard - tube-launched SAM with variable geometry wings
(Green) (Projects) -
Green Mace - 5-inch rapid firing anti-aircraft gun
(Green) (Projects) -
Green Minnow - Radiometer imager
(Green) (Projects) -
Green Palm - airborne VHF voice channel jammer with four pre-set channels, replaced in the Vulcan B2 by the I band jammer
(Green) (Projects) -
Green Salad - Wide-band VHF Homing equipment for the Avro Shackleton.
(Green) (Projects) -
Green Satin - airborne Doppler navigation radar unit
(Green) (Projects) -
Green Sparkler - advanced SAM for the "Stage 2" program, became Blue Envoy
(Green) (Projects) -
Green Thistle - Infra-red homing system based on the German wartime Kielgerät
(Green) (Projects) -
Green Walnut - blind bombing equipment
(Green) (Projects) -
Green Water - pilotless interceptor/SAGW
(Green) (Projects) -
Green Willow - EKCO AI Mk. 20 Fire Control radar, backup to ARI.5897 AI Mk. 23 Airborne Interception radar for the English Electric P.1 fighter
(Green) (Projects) -
Green Wizard - instrument for calibrating anti-aircraft guns by measuring their muzzle velocity
(Green) (Projects) -
Indigo Bracket - S-band radar jamming system
(Indigo) (Projects) -
Indigo Corkscrew - continuous wave radar, used with the Bristol Bloodhound and English Electric Thunderbird SAMs
(Indigo) (Projects) -
Indigo Hammer, formerly Blue Fox - nuclear weapon
(Indigo) (Projects) -
Jade River - continuous wave radar, developed from Indigo Corkscrew
(Jade) (Projects) -
Orange Blossom - Probably a deliberate mis-identification of the Orange Crop pods fitted to 1312 Flight Hercules aircraft, (Pod-mounted electronic support measures used on the Hercules - maybe).
(Orange) (Projects) -
Orange Cocktail - Experimental homing radar weapon from 1950s
(Orange) (Projects) -
Orange Crop - Racal MIR 2 ESM system for Royal Navy Lynx helicopters and some Royal Air Force Hercules aircraft.
(Orange) (Projects) -
Orange Harvest - S and X band warning receiver fitted to Shackletons
(Orange) (Projects) -
Orange Herald - nuclear weapon
(Orange) (Projects) -
Orange Nell - SAGW - surface-to-air missile
(Orange) (Projects) -
Orange Pippin - Ferranti, anti-aircraft, fire-control radar
(Orange) (Projects) -
Orange Poodle - low altitude, OTHR (Over-the-Horizon) early-warning radar - abandoned
(Orange) (Projects) -
Orange Putter - Tail Warning radar fitted to Canberra and Valiant
(Orange) (Projects) -
Orange Reaper - Electronic Support Measures system for Royal Navy Merlin helicopters
(Orange) (Projects) -
Orange Tartan - 'Auto-Astro' automated star navigation system (day) - see also Blue Sapphire (night).
(Orange) (Projects) -
Orange Toffee - radar for Blue Envoy
(Orange) (Projects) -
Orange William - Swingfire, anti-tank missile
(Orange) (Projects) -
Orange Yeoman - Early Warning radar & guidance for Bristol Bloodhound SAGW - a.k.a. AMES Type 82
(Orange) (Projects) -
Pink Hawk - early name for Fairey Fireflash missile. As this was a "reduced" version of the Red Hawk, it is a rare example of Rainbow Codes having some implied meaning, rather than their usual purely deliberately meaningless choice.
(Pink) (Projects) -
Purple Granite - nuclear weapon - see Green Granite
(Purple) (Projects) -
Purple Passion - Sub-kiloton demolition mine project related to Violet Mist.
(Purple) (Projects) -
Purple Possum - VX Nerve Agent.
(Purple) (Projects) -
Red Angel - air-launched anti-ship weapon or "special bomb"
(Red) (Projects) -
Red Beard - nuclear weapon
(Red) (Projects) -
Red Brick - Experimental continuous-wave target illuminating radar
(Red) (Projects) -
Red Cabbage - Naval radar
(Red) (Projects) -
Red Carpet - X-band radar jammer
(Red) (Projects) -
Red Cat - Air-launched nuclear stand-off missile cancelled 11/54.
(Red) (Projects) -
Red Cheeks - inertially guided bomb based on the work of Tubby Vielle
(Red) (Projects) -
Red Dean - large air-to-air missile
(Red) (Projects) -
Red Drover - airborne radar - see Avro 730
(Red) (Projects) -
Red Duster - Bristol Bloodhound surface-to-air missile
(Red) (Projects) -
Red Eye - An American general-purpose infra-red homing missile
(Red) (Projects) -
Red Flag - free-fall nuclear bomb - 'Improved Kiloton Bomb' - WE.177
(Red) (Projects) -
Red Flannel - experimental Q band H2S
(Red) (Projects) -
Red Garter - Tail warning radar for the Vulcan, did not enter service
(Red) (Projects) -
Red Hawk - large missile "downrated" to give Blue Sky
(Red) (Projects) -
Red Heathen - early SAM project, became Red Shoes and Red Duster
(Red) (Projects) -
Red Hebe - air-to-air missile, a replacement for Red Dean
(Red) (Projects) -
Red Light - X band jammer for V Bombers, entered service as ARI 18146
(Red) (Projects) -
Red Queen - two-barrel revolver cannon, later developed into single-barrel Red Queen
(Red) (Projects) -
Red Neck - airborne side-looking radar (SLAR), tested on the Victor a 40 foot long aerial under each wing. Flexing in flight corrupted the resolution. Cancelled 1962.
(Red) (Projects) -
Red Queen - rapid fire 42 mm revolver cannon anti-aircraft gun
(Red) (Projects) -
Red Rapier , Blue Rapier missiles - see UB.109T
(Red) (Projects) -
Red Rose - short-range, battlefield nuclear missile for the British Army - English Electric - later known as Blue Water; cancelled 1962
(Red) (Projects) -
Red Sea (AA) - the AA predictor designed for use with the Green Mace automatic AA gun
(Red) (Projects) -
Red Setter - experimental side-looking radar for V bombers
(Red) (Projects) -
Red Shoes - see English Electric Thunderbird
(Red) (Projects) -
Red Shrimp - ARI 18076 airborne high-band jammer fitted to Victor & Vulcan
(Red) (Projects) -
Red Snow - nuclear weapon physics package - fitted to Yellow Sun Mk2 and Blue Steel
(Red) (Projects) -
Red Steer - EKCO ARI 5919/ARI 5952 airborne tail warning radar - development of AI 20 Green Willow - fitted to Victor & Vulcan
(Red) (Projects) -
Red Ticket - associated with AI 17 radar
(Red) (Projects) -
Red Top - air-to-air missile developed from the Firestreak Mk 4
(Red) (Projects) -
Red Tulip - phase coherent radar Moving Target Indicator (MTI)
(Red) (Projects) -
Violet Banner - infrared seeker for Red Top
(Violet) (Projects) -
Violet Club - nuclear weapon
(Violet) (Projects) -
Violet Friend - simple ABM system ordered under AST.1135.
(Violet) (Projects) -
Violet Mist - truck-mounted nuclear land mine - formerly Blue Badger. Used the Red Beard physics package.
(Violet) (Projects) -
Violet Picture - UHF Homer, built by Plessey - Fitted to many RAF aircraft.
(Violet) (Projects) -
Violet Vision - nuclear warhead for Corporal missile - based on Red Beard
(Violet) (Projects) -
Yellow Anvil - nuclear artillery shell warhead
(Yellow) (Projects) -
Yellow Aster - H2S Mk 9A bombing radar, fitted to V bombers
(Yellow) (Projects) -
Yellow Barley - radar warning receiver
(Yellow) (Projects) -
Yellow Duckling - infra-red submarine detector
(Yellow) (Projects) -
Yellow Feather - missile seeker
(Yellow) (Projects) -
Yellow Gate - Loral ESM for E-3D Sentry and Nimrod MR.2
(Yellow) (Projects) -
Yellow Jack - Orange Pippin's radar component
(Yellow) (Projects) -
Yellow Lemon - Doppler-navigation system for naval aircraft. Valve-based precursor to the transistorised Blue Jacket.
(Yellow) (Projects) -
Yellow River - mobile tactical control radar for Bristol Bloodhound - a.k.a. AMES Type 83
(Yellow) (Projects) -
Yellow Sand - anti-ship missile, possibly a precursor to Green Cheese
(Yellow) (Projects) -
Yellow Sun - nuclear weapon casing
(Yellow) (Projects) -
Yellow Temple - nuclear-armed SAGW development of Red Shoes
(Yellow) (Projects) -
Yellow Tiger - Target illuminating radar used with the Thunderbird missile.
(Yellow) (Projects) -
Yellow Veil - ALQ-167 pod for Royal Navy Lynx.
(Yellow) (Projects) -
Black Banana - unofficial nickname for the Blackburn Buccaneer, originally named the Blackburn ANA (Blackburn Advanced Naval Aircraft). (Non-Rainbow codes)
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Blue Circle - sardonic name for concrete ballast for Buccaneer while awaiting Blue Parrot radar. Also used for Sea Harrier ballast in place of Blue Fox radar, and Tornado F.2 ballast. From the Blue Circle cement company. (Non-Rainbow codes)
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Blue Eric - improvised I band ECM jammer against the Fledermaus gun control radar during the Falklands War. Installed in the Harrier GR.3's starboard 30mm gun pod. (Non-Rainbow codes)
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Blue Yeoman - unofficial name for an experimental radar made from components of the Blue Riband and Orange Yeoman (Non-Rainbow codes)
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Green Goddess - colloquial name for Civil Defence fire pump (Non-Rainbow codes)
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Green Meat - a 'spoof' SAM programme reported in the 1976 RAF Yearbook (Non-Rainbow codes)
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Green Parrot - unconfirmed low yield nuclear weapon mentioned in a 1981 New Statesman article by Duncan Campbell who later claimed that it was "probably" a copy of the US B57 nuclear bomb. The WE.177 has incorrectly been referred to as the Green Parrot by some authors. However Green Parrot was a NATO codename for the Soviet PFM-1 anti-infantry mine. Green Parrot was also the term for an admiral's barge, traditionally with a green-painted hull. (Non-Rainbow codes)
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Green Porridge - RAF aircrew nickname for green-tinted H2S bombing radar display PPI image in Valiant, Victor & Vulcan (Non-Rainbow codes)
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Red Arrows - RAF display team (Non-Rainbow codes)
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Red Devils - Parachute Regiment display team (Non-Rainbow codes)
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Red Slab - joke name for a large ballast weight replacing the nose radar in Avro Vulcan XH558 in its return to flight as a civil display aircraft. (Non-Rainbow codes)
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Violet Fire - Ultraviolet light fire detection system for Concorde engine bays. (Non-Rainbow codes)
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Yellow Hammer (also Yellowhammer): The contingency plans for a no-deal Brexit (Non-Rainbow codes)
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