[3] Condemine joined the French military on a three-year enlistment on 10 February 1914, and was assigned to the cavalry.
On 10 March 1918, he was granted Military Pilot's Brevet Number 12102; two days later, he was sent to Pau for advanced training.
Early on 22 August 1918, he arrived at Escadrille 154 to serve as a SPAD XIII pilot; at noon, he scored his first aerial victory, teaming with Paul Y. R. Waddington and Louis Prosper Gros to destroy a German observation balloon.
Condemine rounded out his career as a balloon buster with solo victories a week apart, on 3 and 10 October 1918, the last two wins for his squadron.
He returned to service during World War II, rising to the rank of lieutenant colonel.