Question: where is the us navy base in japan located
Answer: The United States Fleet Activities Yokosuka ( 横須賀 海軍 施設 , Yokosuka kaigunshisetsu ) or Commander Fleet Activities Yokosuka ( 司令 官 艦隊 活動 横須賀 , Shirei - kan kantai katsudō Yokosuka ) is a United States Navy base in Yokosuka , Japan .