 Later, after fellow Confederación Nacional del Trabajo (CNT) militiamen came from Eibar, they drove back the nationalists and took their stronghold in the military headquarter of Loiola.Later he took part in the defense of the lines at the Gipuzkoa–Navarre border and, after San Sebastián fell to the fascists, he continued armed resistance in Aragon, Catalonia, France (inside the French Resistance to Nazi occupation) and the Basque Country, trying to create guerrillas along the Franco–Spanish border.He first drew the anagram of the axe and serpent, later used by ETA.