Maj. Gen. James O. Eifert, Air National Guard Assistant to the Commander, Pacific Air Forces leads a discussion on air defense concepts during a visit to the Philippine Air Defense Control Center, Aug. 7, 2018, Villamor Air Base, Manila, Philippines. The airmen were taking part in a subject matter expert exchange with Philippine Air Force counterparts as part of a National Guard State Partnership Program engagement. (U.S. Air National Guard photo by Senior Airman Orlando Corpuz)