 The main combat operations started on February 14, 1933 in Tarapacá where the Peruvian garrison was bombed by seven Colombian aircraft and later assaulted by land forces.Later, on March 26, in the village of Guepi eleven Colombian planes and two cannon boats (MC Cartagena y MC Santa Marta) bombarded Peruvian positions and took over the town.The last military actions of the conflict with Peru were on May 8, 1933 and in which there was an aerial engagement between the two forces.