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. The wing and subordinate weather squadrons collect, analyse, and generate a comprehensive weather database of forecast, climatological, and space weather products.