25 July 2025 U.S. Air Advisors Enhance USAF-PAF Interoperability at Cope Thunder 25-2 CLARK AIR BASE, Philippines — Cope Thunder 25-2 is a bilateral exercise between the U.S. Pacific Air Forces and Philippine Air Forces that reaffirms each nation’s commitment to the Mutual Defense Treaty of 1951. Held at the invitation of the Philippine government, this iteration of Cope Thunder...