[2] Seekadett is the entrance rank to the Officer Aspirant (OA – German: Offizieranwärter) career.

Pertaining authority of command, promotion, and payment level, Seekadett compares with Fahnenjunker as well.

The sequence of ranks (top-down approach) in that particular group is as follows: Unteroffizier ohne Portepee An officer candidate's career is indicated by the enlisted rank with the golden nautical star on the shoulder strap and sleeve in the Deutsche Marine, and a thin silver cord on the shoulder strap in Heer and Luftwaffe.

Sleeve insignia are on upper arms, and form two open opposite faced angles, showing (by points) upwards and downwards.

(Naval cadet) Officer cadets in the Deutsche Marine begin their training at the Naval Academy Mürwik (German: Marineschule Mürwik) in Flensburg-Mürwik holding enlisted ranks with the qualifier officer candidate (German: Offizieranwärter), abbreviated as OA.