The US Navy commissioned USS Nautilus, which became the world’s first nuclear submarine.
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The US Defense Secretary announced that the US Military would open all combat roles to women.
The USS Indianapolis vessel was torpedoed and sunk.
Flagellation, also known as flogging, whipping, or lashing, was banned by the US Army.
The US military policy "don't ask, don't tell" came to an end.
The Wounded Knee Massacre took place.
