Swedish cadets join the academy as part of their three-year training as do officers aspiring to become navy lieutenants or army and air force captains.

[4] Notwithstanding Karlberg being a military institution, the palace and its park, classified as a historical monument of national interest, is accessible to the general public.

[4] Shortly after the death of the king, during the regency of Gustav IV Adolf, an enlargement was found necessary to accommodate the officers and construction work on the elongated pavilions of the palace commenced the following year to be accomplished to the design of Carl Christoffer Gjörwell three years later.

The first was presented by His Majesty the King in Rikssalen ("Hall of State") at Karlberg Palace on 6 March 1817.

Blazon: "On blue cloth in the centre, an erect white rapier of Gustaf II Adolf pattern surmounted an open yellow chaplet of laurels and in the second and fourth corners the year 1792 divided with two yellow figures in each corner.