'commander of the 1st class') and lieutenant commander[a] (kommendörkapten av 2:a klassen, lit.

[6] The first rank corresponded to a lieutenant colonel and the second to a major in the Swedish Army.

On land he served as head of department in the Royal Swedish Naval Materiel Administration and in the Naval Staff, as corps commander, head of the Royal Swedish Naval Staff College, the Royal Swedish Naval Academy, exercise and non-commissioned officer schools and the shipyard, chief of staff, conscript commander, adjutant to a station commander etc.

The idea was that the British system was more internationally viable and thus would facilitate contact between officers.

[10] The rank insignia is worn on the shoulder mark to jacket and coat (jacka m/87, kappa m/87), as well as to blue wool sweater (blå ylletröja m/87), trench coat (trenchcoat m/84), sea coat (sjörock 93, black raincoat and to white shirt (vit skjorta m/78).

The woven shoulder mark (AXELKLAFFSHYLSA M/02 INVÄVD KOMMENDÖR FLOTTAN) is worn on the naval combat dress (sjöstridsdräkt m/93), duty uniform (arbetsdräkt m/87 (blå)) and combat uniform (Fältuniform m/90 lätt, m/90 lätt blå, m/90 tropik (green, beige and blue)).

On the sleeve an 12,6 mm rank insignia (gradbeteckning m/02) and galloon (galon m/02).

A commander wears embellishments (skärmbeteckning m/02/skärmbroderi m/02) on the visor of the peaked cap (skärmmössa m/48).

It also fitted with a hat badge (mössmärke m/78 off för flottan) and with a strap in form of a golden braid (mössträns m/42).

[17] A commander wears epaulette's (epålett m/1878) to white tie (frack m/1878) and to coat (rock m/1878).