However, he soon decided to join the French Armed Forces and was incorporated into the 8th Zouaves Regiment and stationed in Camp de Châlons.

While back in France, Tupët-Thomé found work in Clermont-Ferrand, where he met Roger Wybot and Stanislas Mangin, who tasked him with finding illegal airstrips.

In August 1943, Tupët-Thomé joined the 4th Air Infantry Battalion, which would become the 2nd Parachute Chasseur Regiment, part of the Brigade SAS.

He was admitted to the École nationale de la France d'Outre-Mer and became an administrator of colonies in French Tunisia in January 1946.

In 1955, he returned to France, resumed his studies, and became an engineer at the Organisation scientifique du travail and joined the Singer Corporation in a pharmaceutical laboratory in Neuilly-sur-Seine.

[5][6] During the commemoration of the 80th anniversary of the Appeal of 18 June, British Prime Minister Boris Johnson announced that the last four members of the Order of the Liberation, Daniel Cordier, Pierre Simonet, Hubert Germain, and Edgard Tupët-Thomé would be honorary members of the Order of the British Empire.

[10] The Minister of Armed Forces, Florence Parly, and the Minister of Memory and Veterans Affairs, Geneviève Darrieussecq, paid tribute, declaring: "Every key moment of the Second World War in France is found in the epic of the young Edgard Tupët" and "Like his 1038 brothers in arms, he personified the honor of France and the participation of our country in the Victory".