 Complete the following phrase:  He served in the Army of the Spanish Republic from July 18, 1936 until the end of war. In 1936 he was the chief of staff of Kleber. Later, he joined the PCE. After that, he was the republican commander of one Mixed Brigade in the Second Battle of the Corunna Road in November 1936 and in the Segovia Offensive and the Battle of Brunete he led the 69th division. He covered the retreat of the republican forces in the Maestrazgo during the 