Here is a chart of the significant US military deployments worldwide.

There are some other rather significant troops deployed to support in other service members in hotspots.

Thousands of US service members, mostly airmen, are deployed in Qatar, where the US Combined Air Operations Center at Al Udeid Air Base is located.

In Jordan, 1,500 soldiers, a squadron of F-16s, a Patriot missile battery, and M142 High Mobility Artillery Rocket Systems102 have been deployed due to the war in Syria.

About 7,000 US military personnel are based in Bahrain, mostly sailors, as it is home to the 5th Navy Fleet. A large number of U.S. airmen also operate out of the Shaykh Isa Air Base, where F-16s, F/A-18s, and P-3 surveillance aircraft are stationed.

Elements of the U.S. 379th Air Expeditionary Wing are based in Eskan Village Air Base in Saudi Arabia, where the 5th Navy Fleet also patrols.