In Orihuela he joined the Comité de Enlace Antifascista and in September in the Volunteer Army, formed to defend the Second Spanish Republic, where he was assigned to Batallón de Hierro [REF].
Later, he was made commander of the 49.ª Brigada Mixta del Ejército Popular Republicano, which defended the city of Castellón, but the June 15, 1938 forces of the army revolted and retreated south.