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| 16/06/2025 | Press Release: | Ursa Major awarded $32.9M contract to deliver 16 upgraded Hadley engines for Stratolaunch hypersonic test program |
| 29/05/2025 | News: | Vivace delivers tank systems for Stratolaunch Talon-A flights Vivace-built propulsion hardware supported both TA-1 and TA-2 during successful powered and hypersonic tests in the past year. |
| 08/05/2025 | News: | Stratolaunch makes second hypersonic flight and successful recovery The TA-2 vehicle exceeded Mach 5 again in March 2025, confirming reusability and advancing the goals of the MACH-TB programme. |
| 06/05/2025 | Press Release: | Northrop Grumman navigation technology completes hypersonic test flights |
| 05/05/2025 | Press Release: | Ursa Major's Hadley engine achieves sustained hypersonic speeds |
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