The 175th Fighter Squadron is a unit of the United States Air Force Reserve Command, specifically within the California Air National Guard. Established on January 26, 1941, it is one of the oldest units in the U.S. Air Force. The squadron's primary mission is air defense, with its pilots operating F-15CD Eagle aircraft. The 175th Fighter Squadron is stationed at Fresno Air National Guard Base in Fresno County, California. The unit has seen active duty during several conflicts, including World War II, the Cold War, and more recently in the Global War on Terrorism. The squadron's motto is "First to Answer," reflecting its readiness for defense missions both at home and abroad.