HSwMS Orion was first launched in 1984. She was built with extensive support from the United StatesNational Security Agency. In November 1985, the HSwMS Orion was rammed by a Sovietminesweeper after she got too close to a Soviet naval exercise. In 1998 Orion received a false bomb threat, which was widely covered in the Swedish newspapers. The ship is manned by Swedish Navy officers and sailors, as well as personnel from the National Defence Radio Establishment (FRA). HSwMS Orion belongs to the 1st Submarine division. Orion shares a hull design with the Fiskeriverkets vessel Argos, an official fishing control vessel.