During the winter of 1933-34 many people in the Norrbotten area, in the northern parts of Sweden, witnessed mysterious, silent aircrafts preforming strange manoeuvres in the night sky. Neither blizzards nor fog appeared to hamper the ghostly aircrafts...

The Swedish Air Force is finally forced to commission Major Gösta Von Porat the difficult task of leading a secret committee, to investigate the mysterious ghost flier phenomenon...

Read more about the Ghost Fliers. 

The article is also available in Swedish.