A Navarrese professional officer of the Spanish Army, in 1936 he joined the coup against the Republican government.

On 5 August 1936 his troops occupied Irún, cutting off the Republican-held zone in the North from the French Frontier[1] and San Sebastían on 13 September.

[2] Later, he was promoted to General, led the Nationalist troops in the Biscay campaign.

[3] In August he led the Brigades of Navarre in the Battle of Santander,[4] and in September 1937 he was one of the Nationalist commanders in the campaign against Asturias,[5] and in March 1938 he led the Navarrese divisions during the Aragon Offensive.

[6] In June 1938 he led the Turia Army Corps in the XYZ Line battle.