The 154th Wing is a unit of the United States Air Force Reserve Command. This wing is headquartered at Fresno Air National Guard Base, California, with additional units located at other bases in the state. The primary mission of the 154th Wing is air defense, including homeland defense and air sovereignty protection. The wing operates the E-3 Sentry (AWACS) aircraft, providing commanders with battlefield awareness through its advanced radar capabilities. Additionally, the 154th Wing supports various contingency operations around the globe when called upon by the Air Force.