Partner Nation Silver Flag concludes at Northwest Field Published Dec. 12, 2016 By Senior Airman Arielle K. Vasquez 36th Wing Public Affairs ANDERSEN AIR FORCE BASE, Guam -- Silver Flag is a U.S. Pacific Command multilateral subject matter expert exchange led by engineers from the 554th RED HORSE Squadron. The exercise is designed to build partnerships and promote interoperability through the equitable exchange of civil engineer-related information.