While Draug and Troll had vertical triple expansion steam engines driving two shafts, rated at 7,500 horsepower (5,600 kW), Garm was powered by Germania direct steam turbines, rated at 8,000 indicated horsepower (6,000 kW).

[1][2][3] As the single Valkyrjen was not enough to fulfil the need for destroyers, the Draug class was ordered and built in the years 1908–1913.

[1] The class, and lead ship, was named after the Draugr – a sinister, malevolent being of Nordic origin and often connected with mariners and the sea.

As war became imminent, the three ships were returned to active service, Troll and Garm on 28 August, Draug on 5 September 1939.

[citation needed] Draug escaped to the United Kingdom on 9 April 1940 after an action against German transports.

Troll, which had been ordered to Shetland, was abandoned by her crew at Florø was captured at anchor by the advancing German forces on 18 May 1940.