Question: The French Air Force aircraft engine series Hispano-Suiza V-12's last two models were used mainly around what war(s)?
Sentence (from "Hispano-Suiza 12Y"): The 12Y became the primary French 1,000 hp (750 kW) class engine and was used in a number of famous aircraft, including the Morane-Saulnier M.S.406 and Dewoitine D.520.
Relevant evidence: No