The U.S. is the one extracting subsidies from Japan

Evidence

The immense amounts spent by Japan on the “sympathy budget” and other support for U.S. bases make it particularly ironic that Kevin Maher described Okinawans as “extortionists”: U.S. negotiators themselves have long pressed the Japanese government for ever larger subsidies to the U.S. military presence in East Asia. Since at least 1972, Japan has generally paid more than any other host country to support the U.S. base and troop presence. Over time, those payments have added up to many tens of billions of dollars. — David Vine, Base Nation_ How U.S. Military Bases…, 876