He crossed Republican lines to reach Pamplona to join up with the Nationalist Army of the North, led by Emilio Mola.

After he was promoted to colonel, he commanded the 1st Division of Navarre, with which he fought in Teruel[1] and in the campaign of Aragon, along with those of Aranda, to the Mediterranean, thus cutting the Republican zone in two.

[4] He led the Maestrazgo Army in the final offensive of the Spanish Civil War.

[7] In 1957, he was named director of the Superior School of the Army and, later, commander in chief of the First Military district, a position that he occupied until 1964.

In 1965, he established Air Spain together with the Banco del Noroeste and his relatives José Maria Rivero de Aguilar and Colonel Carbó.