How many countries in Southeast Asia have US military bases?

Actually at the moment none, although the US used to have large military installations in the Phillipines and still maintains a military relationship with that country. Also, the US has a military presence in Guam, which is part of the US but also located near Southeast Asia. read more

This is more of a theory than a direct answer to the question so take it with a grain of salt but the future may prove me right. 1. Dedicated US Bases cost a lot of money to maintain and operate. read more

According to official information provided by the Department of Defense (DoD) and its Defense Manpower Data Center (DMDC) there are still about 40,000 US troops, and 179 US bases in Germany, over 50,000 troops in Japan (and 109 bases), and tens of thousands of troops, with hundreds of bases, all over Europe. read more

The military of the United States is deployed in more than 150 countries around the world, with approximately 170,000 of its active-duty personnel serving outside the United States and its territories. read more