Original sentence: A batch of 13 aircraft from Series I variant, powered by the Gnôme-Rhône engine, equipped the 65a Squadriglia of the Aviazione Legionaria (Legionary Air Force).The unit took part in operations at Santander in August 1937, then a Terueland in the battles for the river Ebro
Edited sentence: The unit took part in operations at Santander in August 1937, then a Teruel and in the battles for the river Ebro.Thirteen Series I aircraft, powered by the Gnôme-Rhône engine, equipped the 65a Squadriglia of the Aviazione Legionaria (Legionary Air Force)