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Tateyama was rebuilt into the largest heliport in Japan under the Japan Maritime Self-Defense Force ( JMSDF ) , supporting rotary wing operations in other locations around Japan , including Haneda airport , JMSDF Ōminato Air Base , JMSDF Maizuru Naval Air Base and Iwo Jima .
 Tateyama, Japan Maritime Self-Defense Force
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Answer:
 Tateyama, Japan Maritime Self-Defense Force