The 451st Expeditionary Civil Engineer Squadron is a United States Air Force unit primarily responsible for engineering and maintenance operations to support U.S. military forces during peacetime and contingency operations worldwide. This squadron, which is part of the Air Combat Command’s Air Expeditionary Forces, provides engineering solutions in various domains such as construction, demolition, emergency services, and environmental protection. The 451st ECE Sqadron operates under the 379th Expeditionary Wing at Joint Base Langley-Eustis, Virginia. Its mission is to ensure the safety, readiness, and sustainability of U.S. military installations by providing reliable engineering support during both garrison and deployed operations.