Miguel Zambudio Martínez (CO 3^a/26) was promoted to capitán on 1 October 1938.
Later in the month, Zambudio was replaced as CO by teniente Antonio Nieto Sandoval-Díaz, with teniente Francisco Montagut Ferrer serving as his deputy.
The escuadrilla included José Santander Menéndez, Esteban Corbalán Marín, Sánchez López, José Falcó, Joaquín Tremosa Arnavat, Álvaro Muñoz, José Garre Solano, Alfredo de Albert, Mario Cuesta, Antonio Britz Martínez and Rafael Belda.

On 1 November, the 3^a/26 (I-15) claimed seven CR.32s. These were claimed by teniente José Falcó Sanmartín, Álvaro Muñoz López, Esteban Corbalán Marín, José Garre Solano, Francisco Sánchez Matos, Santander Menéndez and J. Tremosa Arnavat.

Santander Menéndez ended the war with 1 biplane victory.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1938
1	01/11/38		1	CR.32	Destroyed	I-15		Spain	3a/26

Biplane victories: 1 destroyed.
TOTAL: 1 destroyed.

Sources:
Air War over Spain - Jesus Salas Larrazabal, 1974 Ian Allan Ltd, Shepperton, Surrey, ISBN 0-7110-0521-4
Spanish Republican Aces – Rafael A. Permuy López, 2012 Osprey Publishing, Oxford, ISBN 978-1-84908-668-4