It was the home of the Swedish Navy's staff college, which provided advanced training for officers.
[2] According to regulations and teaching charters (23 October 1908 with amendments on 29 September 1911 and 29 June 1912) the Royal Swedish Naval Staff College had the purpose to educate naval officers and give them expanded knowledge in those subjects which were important to pursue the purpose of the maritime defense.
Subjects covered in the general course were strategy, tactics, coastal fortress, land warfare, military coastal geography, artillery, torpedo, naval mine, physics and mathematics (the latter was optional).
[4] For subjects in the general course, air warfare and naval officer's programme and navigation were added.
As students, the Navy's subaltern officers were commanded in turn; an entry qualification was not needed.