A little secret to rock your YouTube subscribers
H1MIN: MARK9 DEPTH CHARGE
The U.S. Navy Mark 9 Depth Charge was an interesting design that enabled to reach greater depths quickly to harass and kill enemy submarines. The hydrostatic pistol's design was also essential for detonation at the appropriate depth.
For more information on the subject can be found in manuals located here:
https://maritime.org/doc/depthcharge9...
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