As of October 2023, Denmark operates a fleet of three submarines, specifically the HDMS Mackerel (Sølvfisken), HDMS Seal (Sælen), and HDMS Hvidbjørn (Hvidbjørnen). These submarines are part of the Royal Danish Navy and are primarily used for surveillance, reconnaissance, and special operations. Denmark has been focusing on maintaining and upgrading its submarine capabilities to ensure operational effectiveness in the Baltic Sea and beyond.
During WW2 the US Navy built 126 submarines.
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52 US submarines were lost in WW2. This was about 1 in every 5 submarines that the US had in WW2
2,200,000 Soldiers 97 Warships 40 Submarines.
Shallow diving submarines are used for reef watching in many parts of the world.
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The British lost 76 submarines during WWII.
1, 200,000 Soldiers 30 Warships 11 Submarines.
Yes, many submarines were used in WW1 by most of the major combatants.