 He later returned to Europe a second time in 1915, where he participated in World War I.In 152 combat sorties he scored 18 victories, although only 7 were confirmed.When he returned to Ecuador, his experiences served as motivation for a reduced group of Ecuadorian pilots, who moved to the Aviation School in Turin, Italy, with the objective of graduating as the first Ecuadorian pilots of the nascent Ecuadorian Military Aviation.