 Then on December 28, 1928 the first combat aircraft was shown in Colombia, the Curtiss Falcon O-1.On September 1, 1932, Peruvian civilians crossed into Colombian territory and invaded the town of Leticia in the Colombian Amazon claiming that the town was Peruvian territory.The Colombian military aviation only had 11 instructors, four Curtiss-Wright CW-14R Osprey air combat support planes and one Curtiss Falcon O-1.