sentences:  The US Army operates a small fleet of military ships in the harbor of Praia da Vitória, three kilometers southeast of Lajes Field.The airfield also has a small commercial terminal handling scheduled and chartered passenger flights from other islands in the archipelago, Europe, and North America.In 1976, following the Carnation Revolution of 1974, the Azores became an Autonomous Region within Portugal (), along with Madeira, when the a new regional constitution was implemented and the Azorean districts were suppressed.