The first time FSK was publicly mentioned by a representative of the armed forces , was in connection with the hijacking of SAS Flight 347 at Gardermoen Airport in September 1993 . The following year , the magazine '' Vi Menn '' published an article about the FSK . In 1990 the FSK was also mentioned in a research paper : " The Armed Forces ' Special Command ( FSK ) is specially trained to be used in the event of terrorist attacks against oil installations - especially hijacking situations . " FSK 's existence was only publicly acknowledged by the Norwegian Armed Forces for the first time in 1999 , when a piece about the unit appeared in the Armed Forces Magazine '' Forsvarets Forum '' ( The Defence Forum )
hijacking of SAS Flight 347
Scandinavian Airlines System Flight 347
Forsvarets Spesialkommando