RTX ▲ +0.1% - RTX Corporation $RTX - Hermeus to manufacture Pratt & Whitney's F100-PW-229 engine under new production licensing agreement RTX rose 0.1% today following news that its Hermeus subsidiary secured a production licensing agreement to manufacture Pratt & Whitney's F100-PW-229 engine, a military jet engine used in F-15 aircraft. The deal expands RTX's production capacity for this established defense engine platform. 15-SEP-2026 08:02 AM ET