Conquest of the Azores the rapid Spanish conquest of the Azores, facilitating the integration of the Kingdom of Portugal and its colonial possessions into the Spanish Empire. Following a day's fighting, forces of the island of Terceira were defeated by Spanish Tercios, using the strategies and tactics of Álvaro de Bazán. A few days later, a contingent of Spanish-Portuguese troops landed on the island of Faial, where they defeated and captured a garrison of five French and one English companies (700 men in total). At the end of the campaign, approximately 9,000 Portuguese, French, Italian and English were captured by the Spanish. The French,
Aviation in the Azores of air-sea bases would close the "Azores Gap", and provide a secure blanket for the North Atlantic. The sudden attack at Pearl Harbour by Imperial Japanese forces resulted in a review of Portuguese guidelines, paralysing the working group. A ship (the Portuguese "Mirandela") shipped 30 Gloster SS37 Gladiators and five Junkers Ju 52 monoplanes, as well as support equipment and personnel, were sent to the Azores (departing on 4 June 1941). Fifteen of the Gloster Gladiators and five Ju 52s were deposited in São Miguel at Air Base 4, for the 1st Expeditionary Fighter Squadron, while the remaining planes were