Colonel Marcel Émile Haegelen[1] (13 September 1896 – 24 May 1950), Légion d'honneur, Médaille militaire, Croix de Guerre, was a World War I French flying ace credited with 22 victories.

Joining in this unit's "wolf pack" tactics, Haeglen would shoot down another 20 enemy aircraft by war's end, including 12 observation balloons.

[2] Mobilised as fighter pilot at the beginning of World War II, lieutenant-colonel Marcel Haegelen won his 24th victory flying a Curtiss H 75, shooting down a German airplane on 14 June 1940.

[citation needed] After the fall of France in World War II, he became a member of the French Resistance,[2] and was arrested by the Germans in 1943 and jailed in Bourges.

[citation needed] When he died on 24 May 1950 at Val-de-Grace, he held the rank of Colonel, and was a Grand officier of Légion d'honneur.