The two announcements highlight RTX’s parallel work on both air-breathing and solid rocket propulsion technologies through its businesses.

RTX made two propulsion announcements on Sept. 24, 2025, highlighting the company’s involvement in both air-breathing and rocket technologies through its businesses. Pratt & Whitney revealed that it has completed critical tests on its small turbofan engine family, while Raytheon announced the acceleration of the Mk 104 dual-thrust rocket motor’s production. Contents The two announcements highlight RTX’s parallel work on both air-breathing and solid rocket propulsion technologies through its businesses. Pratt & Whitney Unlocks More Thrust for Collaborative Combat Aircraft Raytheon and Avio USA Accelerate Mk 104 Rocket Motor Development

Pratt

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