U.S. Army Lt. Col. Randall Phillips, the lead planner and CASA Branch Chief, Phillips welcomes CASA partners to Regional Cooperation 25 at Joint Base Cape Cod, Massachusetts, June 16, 2025, during exercise Regional Cooperation 25. Regional Cooperation 25 is an annual, multi-national U.S. Central Command sponsored command-post and field training exercise conducted by National Guard units in partnership with Central and South Asia nations. (U.S. Air Force photo by Staff Sgt. Colten Tessness)