Short Answer
Wartime Context and the T Section
During the German occupation of Belgium in World War II, the Special Operations Executive (SOE) established a dedicated presence to coordinate sabotage and intelligence efforts. The T Section became operational in December 1940 as an independent offshoot of the French Section [1]. This section was initially commanded by Grenadier Guards officer Claude Knight and later by Hardy Amies [1].
The operational environment in Belgium was perilous, characterized by aggressive counter-intelligence efforts by the Abwehr (German military intelligence). The T Section faced significant challenges with wireless deception, leading to agent fatalities in patterns similar to those experienced by the SOE’s N Section in the Netherlands [1].
Agents and Industrial Sabotage
A core component of SOE’s strategy in Belgium was the training of local nationals in industrial sabotage. Between 1940 and 1944, forty Belgians were trained at Brickendonbury Manor near Hertford, UK, specifically for sabotage missions within their home country [2].
The Case of Emile Tromme
Emile Tromme is frequently cited as one of the earliest T Section agents to arrive in Belgium [1]. Historical accounts of his arrival vary: some sources claim he landed by parachute in May 1941 inside a prisoner of war camp and spent four months escaping before resuming resistance work; others state he arrived safely by parachute on 13 May 1941 north of Vielsalm, where he established a saboteur group around Verviers [1]. The only reliable record confirms that Tromme was executed by German forces in February 1942 [1].
Other Trained Saboteurs
Beyond Tromme, dozens of other Belgians were trained at Brickendonbury Manor and deployed to the field, including Robert Jourdain, Armand Campion, Octave Fabri, Jean Scohier, and Jean Cassart, among many others [2]. Their missions focused on disrupting the industrial capacity of the occupied territory to hinder the German war machine.
Collaboration with Local Resistance
SOE’s efforts existed alongside a complex landscape of indigenous Belgian resistance. The largest of these was the Secret Army (Armée Secrète / Geheim Leger), founded in August 1940 as the Belgian Legion [3]. With over 54,000 members, the Secret Army was dominated by right-wing conservatives and royalists, incorporating many former officers of the defeated Belgian Army [3]. While the Secret Army maintained close ties with the Belgian government-in-exile, SOE agents provided the specialized training and external links necessary for coordinated sabotage [3].
Escape and Evasion Networks
While the T Section focused on sabotage, other Allied intelligence efforts focused on extraction. The Comet Escape Line, though financed and supported by MI9 rather than SOE, worked in the same environment to rescue downed aircrews and political prisoners [4]. Led by Andrée de Jongh, who took command after the arrest of Arnold Deppe, the Comet line relied on a vast network of Belgian citizens and families to escort escapers across France to neutral Spain [4].
Outcomes and Limitations
The SOE’s presence in Belgium was marked by a high rate of attrition due to German counter-espionage. The reliance on wireless communications often became a vulnerability, allowing the Abwehr to track and capture agents [1]. Despite these losses, the training of Belgian nationals in industrial sabotage ensured that the resistance had the technical capability to disrupt German logistics and production throughout the occupation.

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