O-class battlecruiser
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The O class was a planned class of three battlecruisers for the Kriegsmarine before World War II. Prompted by a perceived lack in ship numbers when compared with the British Royal Navy, the O class' d
Line-drawing of the O-class battlecruiser concept.
The stern and amidships portion of the O class
The rear main battery turret, with the superfiring secondary turret. Also visible is a twin 10.5 cm FlaK 38 anti-aircraft gun
H-class battleship proposals
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The H class was a series of battleship designs for Nazi Germany's Kriegsmarine, which were intended to fulfill the requirements of Plan Z in the late 1930s and early 1940s. The first variation, "H-39"
O-class battlecruiser
…283 mm (11.1 in). The ships were incorporated into the 1939 Plan Z for the re-equipment and expansion of the Kriegsmarine; while an aircraft carrier, H-class battleships and smaller ships engaged convoy escorts, one or more O-class ships would attack the merchant ships. The O class' design reflected their intended role…
Bismarck, which provided the starting point for design work on the H class
One of the 40.6 cm guns at Batterie Lindemann', part of the Atlantic Wall
One of the 15 cm turrets on Bismarck, the same type as would have been mounted on the H class.