SM U-9 was a German Type U 9 U-boat. She was one of 329 submarines serving in the Imperial German Navy, and engaged in commerce raiding (Handelskrieg)...

SM U-19 was a German Type U-19 U-boat built for the Imperial German Navy. Her construction was ordered on 25 November 1910, and her keel was laid down...

SM U-5 was a German Type U 5 U-boat built for the Imperial German Navy. She was commissioned 2 July 1910 in Germaniawerft in Kiel. She served in World...

SM U-20 was a German Type U 19 U-boat built for service in the Imperial German Navy. She was launched on 18 December 1912, and commissioned on 5 August...

SM U-11 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-11 was engaged in the naval warfare and took part in the First...

SM U-1, also known in English as the German Type U 1 submarine, was the first U-boat class of the U-boat series of submarines produced for the German...

SM U-13 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-13 was engaged in the naval warfare and took part in the First...

SM U-18 was one of 329 submarines serving in the Imperial German Navy in World War I. U-18 engaged in the commerce warfare in the First Battle of the...

SM U-17 was a German submarine during World War I. U-17 sank the first British merchant vessel in the First World War, and also sank another ten ships...

SM U-12 was a German submarine, built in 1911 and sunk off Scotland in 1915. It was the first submarine to launch a plane at sea. U-12 was a Type U 9...

SM U-5 SM U-6 SM U-7 SM U-8 SM U-9 SM U-10 SM U-11 SM U-12 SM U-13 SM U-14 SM U-15 SM U-16 SM U-17 SM U-18 SM U-19 SM U-20 SM U-21 SM U-22 SM U-23 SM U-24...

SM U-5 or U-V was the lead boat of the U-5 class of submarines or U-boats built for and operated by the Austro-Hungarian Navy (German: Kaiserliche und...

SM U-27 SM U-28 SM U-29 SM U-30 SM U-31 SM U-32 SM U-40 SM U-41 German Type U 31 submarine – 6 ships SM U-33 (temporary Austrian number for German SM U-33...

SM U-6 or U-VI was a U-5-class submarine or U-boat built for and operated by the Austro-Hungarian Navy (German: Kaiserliche und Königliche Kriegsmarine...

SM U-7 was a Type U 5 U-boat, one of the 329 that served in the Imperial German Navy in World War I. U-7 took part in the First Battle of the Atlantic...

SM U-16 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-16 was engaged in the naval warfare and took part in the First...

SM U-12 or U-XII was a U-5-class submarine or U-boat built for and operated by the Austro-Hungarian Navy before and during the First World War. Built...

SM U-6 was one of the 329 submarines serving in the Imperial German Navy in World War I. U-6 was engaged in naval warfare and took part in the First Battle...

Cyclops was launched on 7 May 1910, by William Cramp & Sons of Philadelphia and placed in service on 7 November 1910. Operating with the Naval Auxiliary...

SM U-21 was a U-boat built for the Imperial German Navy shortly before World War I. The third of four Type U-19-class submarines, these were the first...

7 May 1915 SM U-20 sank RMS Lusitania; on 19 August SM U-24 sank SS Arabic; and on 9 September SM U-20 sank RMS Hesperian. Most of the U-boats were sent...

Norwegian cargo ship of 1,589 GRT in operation between 1910 and 1918. She was torpedoed and sunk by SM UB-125 18 nautical miles (33 km) south of Lundy Island...

newly constructed SM U-6. He commanded U-6 until 1913. On 17 April 1915, Trapp took command of SM U-5. He conducted nine combat patrols in U-5, and sank two...

SM U-22 was one of 329 submarines serving in the Imperial German Navy in World War I. U-22 was engaged in commerce war as part of the naval warfare, during...

officer on SM U-52 when it sank the cruiser HMS Nottingham on 19 August 1916. After completing submarine commander's training, he was given SM UB-96 in...

SM U-2 or U-II was the second ship of the U-1 class of submarines or U-boats built for and operated by the Austro-Hungarian Navy (German: Kaiserliche und...

and more luxurious ship. The plan for the building of that liner began in 1910, under the leadership of Leonard Peskett. Several draft plans were conceived...

than the preceding Beagle class but oil-fired and better armed. Launched in 1910, Staunch acted as escort for the royal yacht Britannia at the Cowes Regatta...

SM UB-46 was a Type UB II submarine or U-boat for the German Imperial Navy (German: Kaiserliche Marine) during World War I. UB-46 operated in the Mediterranean...

of that year. The ship was 116.1 metres (380 ft 11 in) long and had a beam of 14.3 metres (46 ft 11 in). She was assessed at 5,018 GRT and had a pair...