The United States has announced that it will take "multi-level and long-term" retaliation in response to the drone attack on the American base on the Syrian-Jordanian border that killed three of its soldiers and injured more than 30 others.

In exchange for a 50-year lease of a military base for the Ethiopian navy, Ethiopia will become the first foreign country to officially recognize Somaliland.

How many US military bases and how many troops are there in the Middle East region?