A Philippine Air Force officer conducts a briefing session to members of the U.S. Air National Guard and other PAF airmen, Aug. 6, 2018, Villamor Air Base, Manila, Philippines. The airmen were taking part in a subject matter expert exchange focussing on air defense between the PAF and Hawaii Air National Guard as part of a National Guard State Partnership Program engagement. (U.S. Air National Guard photo by Senior Airman Orlando Corpuz)