query: What is the largest US military base outside the continental United States?
passage: List of United States military bases
The United States is the largest operator of military bases abroad, with 38 "named bases"[note 1] having active-duty, National Guard, reserve, or civilian personnel as of September 30, 2014. Its largest, in terms of personnel, was Ramstein AB, in Germany, with almost 9,200 personnel.[1][note 2] The Pentagon stated in 2013 that there are "around" 5,000 bases total, with "around" 600 of them overseas.[2]
passage: United States Central Command
Of all six American regional unified combatant commands, CENTCOM is among the three with headquarters outside its area of operations (the other two being USAFRICOM and USSOUTHCOM). CENTCOM's main headquarters is located at MacDill Air Force Base, in Tampa, Florida. A forward headquarters was established in 2002 at Camp As Sayliyah in Doha, Qatar, which in 2009 transitioned to a forward headquarters at Al Udeid Air Base in Qatar.