As of 2014 the United States had 50,000 troops in Japan, the headquarters of the US 7th Fleet and more than 10,000 Marines. In May 2014 it was revealed the United States was deploying two unarmed Global Hawk long-distance surveillance drones to Japan with the expectation they would engage in surveillance missions over China and North Korea. At the beginning of October 2018 the new Japanese Mobile Amphibious Forces held joint exercises with the US marines in the Japanese prefecture of Kagoshima, the purpose of which was to work out the actions in defense of remote territories.