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PBS Aerospace has signed a multi-year subcontract agreement with Zone 5 Technologies, valued at several tens of millions of dollars, to support its U.S. manufacturing of precision turbojet engines for defense applications. This follows the September 2025 opening of PBS Aerospace's headquarters in Roswell, Georgia, backed by a $20 million investment.

The PBS TJ40 and TJ80 turbojet engines, with thrusts of 100 lbs and 200 lbs respectively, are designed for integration into missile and unmanned systems. The agreement reflects PBS Aerospace's commitment to U.S. defense manufacturing capabilities.