U.S. President Donald Trump has often alleged that Japan does not contribute to American security and even suggested the possibility of abrogating the bilateral security treaty.
Tokyo plays big role in keeping Asian partners on US side in strategic struggle with China

Osprey military aircraft are parked at the Futenma airbase in Okinawa: bases in Japan are a bargain for the U.S. © Kyodo
U.S. President Donald Trump has often alleged that Japan does not contribute to American security and even suggested the possibility of abrogating the bilateral security treaty.