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A U.S. Air Force F-35A Lightning II from Hill Air Force Base, Utah, taxis for take-off Nov. 16, 2017, at Kadena Air Base, Japan. The F-35A is being deployed under U.S. PACOM’s theater security package (TSP) program, which has been in operation since 2004. This long-planned deployment is designed to demonstrate the continuing U.S. commitment to stability and security in the region.