U.S. Air Force <PERSON> <PERSON>, 421st Fighter Squadron crew chief, marshals an F-35A Lightning II during Operation Rapid Forge at Spangdahlem Air Base, Germany, July 18, 2019. Rapid Forge aircraft are forward deploying to the territory of NATO allies to improve interoperability. The goal of the operation is to increase the readiness and responsiveness of U.S. forces in Europe and assist allies to increase regional security. (U.S. Air Force photo by <PERSON> <PERSON>)