Short Answer
Overview of SOE Concealment and Camouflage
During the Second World War, the Special Operations Executive (SOE) faced the constant challenge of transporting weapons, explosives, and intelligence documents through enemy-occupied territories. To mitigate the risk of detection during searches, the SOE established specialized units, including the Camouflage Section (active 1941–1945), to transform mundane, everyday items into sophisticated concealment tools [1].
These efforts were complemented by the technical expertise of “boffins” at the SOE’s laboratory at Aston House in Stevenage, Hertfordshire, who focused on the development of sabotage devices and unconventional weaponry [3]. Together, these units provided field agents with a diverse arsenal of equipment designed to blend into the local environment or deceive enemy security forces.
The Camouflage Section: Concealment Devices
The Camouflage Section was staffed by individuals from a wide array of trades and professions, allowing them to create highly convincing replicas of common objects [1]. Their primary goal was to ensure that agents could carry essential gear—such as radios, microfilm, codes, and ammunition—without raising suspicion.
Everyday Items as Vessels
Agents were supplied with a variety of “vessels” that appeared ordinary but contained hidden compartments for intelligence and equipment [1]. Examples of these concealment tools included:
- Household objects: Ornamental clocks, record players, and tubes of toothpaste [1].
- Utility items: Oil cans, water bottles, and bicycle pumps [1, 3].
- Common materials: Firewood and suitcases [1, 3].
Disguised Sabotage and Explosives
Beyond the transport of intelligence, the SOE developed “devious devices” where explosives and incendiaries were hidden within objects that would likely be ignored or overlooked by enemy patrols [1]. Some of the most notable examples included:
- Biological mimics: Explosives concealed within dead rats [1, 3].
- Domestic items: Sabotage charges hidden in books, torches, bottles of Chianti, and soap [1, 3].
- Industrial mimics: Hollowed-out pieces of coal [1].
- Artistic objects: Statues [1].
Specialized Field Gear
In addition to small-scale concealment, the SOE developed specialized clothing and protective gear for agents being dropped into occupied territory, often utilizing camouflage patterns to aid in survival and stealth.
The “Striptease Suit”
One unique piece of equipment was the “SOE Striptease Suit,” a heavy-duty windproof jump suit featuring an irregular camouflage pattern of mid-green splotches on tan, similar to the Denison smocks used by airborne forces [2]. The suit was designed for high functionality and covert carry, featuring:
- Rapid access: Parallel zips running the entire length of the front from the ankles to the neck [2].
- Specialized pockets: A pistol pocket at the left thigh, a knife pocket at the left cuff, and three small pockets on the right thigh specifically for maps and documents [2].
- Hidden storage: A felt-lined shovel pocket located internally behind the pistol pocket, and a large internal pouch at the rear [2].
Parachute Equipment
Agents were also equipped with camouflage-patterned parachute helmets and goggles to ensure they remained concealed upon landing in hostile territory [4]. These helmets were designed to integrate with the jump suit, featuring a leather strap and metal buckle at the back of the collarless neck for secure attachment [2].
Historical Significance
The work of the Camouflage Section and the Aston House laboratories represents the intersection of industrial design and espionage. By leveraging the psychology of the “ordinary,” the SOE was able to increase the survivability of its agents and the success rate of sabotage missions. These devices allowed the SOE to fulfill Winston Churchill’s mandate to “set Europe ablaze” by ensuring that the means of subversion could reach the resistance movements of occupied Europe undetected [3].
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