Oberstleutnant is a senior field officer rank in several German-speaking and Scandinavian countries, equivalent to lieutenant colonel. It is currently used by both the ground and air forces of Austria, Germany, Switzerland, Denmark, and Norway. The Swedish rank överstelöjtnant is a direct translation, as is the Finnish rank everstiluutnantti.
Leutnant is the lowest Junior officer rank in the armed forces of Germany (Bundeswehr), the Austrian Armed Forces, and the military of Switzerland.
Stabskapitänleutnant, short: StKptLt / in lists: SKL, is the highest Fachdienstoffizier rank in the German Navy.
Kapitänleutnant, short: KptLt/in lists: KL, is an officer grade of the captains' military hierarchy group of the German Bundeswehr. The rank is rated OF-2 in NATO, and equivalent to Hauptmann in the Heer and Luftwaffe. It is grade A11 or A12 in the pay rules of the Federal Ministry of Defence.
Oberleutnant is the highest lieutenant officer rank in the German-speaking armed forces of Germany (Bundeswehr), the Austrian Armed Forces, and the Swiss Armed Forces.
Generalleutnant is the Germanic variant of lieutenant general, used in some German speaking countries.
Oberleutnant zur See is traditionally the highest rank of Lieutenant in the German Navy. It is grouped as OF-1 in NATO.
Oberst is a senior field officer rank in several German-speaking and Scandinavian countries, equivalent to Colonel. It is currently used by both the ground and air forces of Austria, Germany, Switzerland, Denmark, and Norway. The Swedish rank överste is a direct translation, as are the Finnish rank eversti and the Icelandic rank ofursti.
Fähnrich is an officer candidate rank in the Austrian Bundesheer and German Bundeswehr. The word Fähnrich comes from an older German military title, Fahnenträger, and first became a distinct military rank in Germany on 1 January 1899. However, Fähnrich ranks are often incorrectly compared with the rank of ensign, which shares a similar etymology but is a full-fledged commissioned officer rank.
Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group captain.
Fähnrich zur See designates in the German Navy of the Bundeswehr a military person or member of the armed forces with the second highest Officer Aspirant rank. According to the salary class it is equivalent to the Portepeeunteroffizier ranks Bootsmann (Marine) and Feldwebel of Heer or Luftwaffe.
Seekadett is a military rank of the Bundeswehr and of former German-speaking naval forces.
The rank insignia of the federal armed forces of the Federal Republic of Germany indicate rank and branch of service in the German Army, German Air Force, or the German Navy.
Korvettenleutnant was an officer rank in the Austro-Hungarian Navy. It was equivalent to Leutnant of the Austro-Hungarian Army, as well to Leutnant zur See of the Imperial German Navy. Pertaining to the modern day's NATO rank code it could be comparable to OF-1b.
Oberfähnrich zur See designates in the German Navy of the Bundeswehr a military person or member of the armed forces with the last or highest Officer Aspirant rank. According to the salary class it is equivalent to the Portepeeunteroffizier ranks Hauptbootsmann (Marine) and Hauptfeldwebel of Heer or Luftwaffe.
Stabsbootsmann is the second highest Non-commissioned officer (NCO) rank in the German Navy. It is grouped as OR8 in NATO, equivalent to First Sergeant, Master Sergeant, or Senior Chief Petty Officer in the US Armed forces, and to Warrant Officer Class 2 in the British Army and Royal Navy.
Oberfähnrich designates in the Heer of the Bundeswehr a military person or member of the armed forces with the last or highest Officer Aspirant rank. According to the salary class it is equivalent to the Portepeeunteroffizier ranks Hauptfeldwebel of Heer or Luftwaffe, and Hauptbootsmann of Marine.
Unterleutnant was an officer of the armies of East Germany and other nations. The rank was first introduced in 1662-74 by France and was also adopted by some other countries' armed forces. In the East German National People's Army from 1956 to 1990, Unterleutnant was the lowest commissioned officer (CO) rank. It belonged to the rank group of lieutenants or subaltern officers. The equivalent rank of the Volksmarine was Unterleutnant zur See.
Obermaat is a military rank of the Bundeswehr and earlier other German-speaking armed forces.
Oberbootsmann designates in the German Navy of the Bundeswehr a military person or member of the armed forces. It belongs to the particular rank group Senior NCOs with port epée.
Germany 
German Navy