Yokosuka Naval Base may refer to:

United States Fleet Activities Yokosuka, the present United States naval base located next to the city, beginning in 1945
JMSDF Yokosuka Naval Base (横須賀基地_(海上自衛隊)), which hosts the headquarters of the Japanese Maritime Self Defense Force as well as several major units assigned to the District Force.
Yokosuka Naval District was a historical administrative district established under the Imperial Japanese Navy in 1886. Many of its facilities and units over time were located in the city of Yokosuka where they constituted a large naval base complex whose site is now mostly occupied by the current US and JMSDF bases.

JMSDF Yokosuka District Force (横須賀地方隊), a modern naval district of Japan's territorial waters (see Japan Maritime Self-Defense Force#Organization, formations and structure)

Naval Air Technical Arsenal at Yokosuka, an aircraft manufacturing facility under control of the Imperial Japanese Navy located in the city from the 1910s to the 1930s.
Yokosuka Naval Arsenal, a shipyard located outside the city from the 1860s to 1945
Yokosuka Naval Airfield a WWII-era airfield

This disambiguation page lists articles associated with the title Yokosuka Naval Base.
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