Which U.S. Air Force base is the headquarters for the United States Transportation Command, which coordinates global mobility operations for the U.S. Armed Forces?

Which U.S. Air Force base is the headquarters for the United States Transportation Command, which coordinates global mobility operations for the U.S. Armed Forces?

Scott Air Force Base, Illinois
Buckley Air Force Base, Colorado
Luke Air Force Base, Arizona
Hickam Air Force Base, Hawaii
Ramstein Air Base, Germany

The correct answer is Scott Air Force Base, Illinois