As the historic Norwegian airbase at Bodø, located within the Arctic Circle, closes down today as a fighter jet station, it’s a good time to look back at one of the more secretive aspects of the base. It played the role of a vital node in the early days of the U-2 spy plane. Ultimately, this little-known chapter in aerial espionage came to an end on May 1, 1960, when a U-2 flown by Francis Gary Powers was shot down by a surface-to-air missile deep over Soviet territory. Powers had been due to complete his flight by landing at Bodø,...