The 557th Weather Wing is a United States Air Force formation and its lead military meteorology center. It reports environmental situational awareness worldwide to the Air Force, the United States Army, joint warfighters, Unified Combatant Commands, the national intelligence community, and the Secretary of Defense. It is headquartered at Offutt Air Force Base, in Bellevue, Nebraska.

Andrews Air Force Base is the airfield portion of Joint Base Andrews, which is under the jurisdiction of the United States Air Force. In 2009, Andrews Air Force Base merged with Naval Air Facility Washington to form Joint Base Andrews. Andrews, located near Morningside, Maryland in suburban Washington, D.C., is the home base of two Boeing VC-25A aircraft with the call sign Air Force One when the president is on board, that serve the President of the United States, and the President is typically flown in and out of Andrews when travelling from Washington, D.C. by plane.