The United States controls well over 700 bases and other installations around the world (and an additional 4000+ within the US). One could successfully argue that they are all worthless and a waste of money. Here are five of the most worthless foreign bases.
Kaiserslautern Military Community
The original usage as a defense against a Soviet invasion of Western Europe is long ended. It is now used as a staging area for America's Asian wars and a way station for dead and wounded soldiers from those wars.
Guantanamo Bay Naval Station
Île du Diable.
The highest point on the atoll is only 22 feet. Meaning this multi-billion dollar base will soon be flooded by rising sea waters.
They now serve no function.
recreational rape. The Japanese on the island hate the American presence for its arrogance, and did I mention the frequent rapes.
The Okinawa bases serve no useful function.