The Mojave-based company confirmed the acquisition on September 30, 2026, positioning the 777 to join the Spirit of Mojave and Roc in a three-aircraft lineup. This expansion addresses a growing backlog in hypersonic flight testing, allowing Stratolaunch to conduct parallel missions and reduce scheduling bottlenecks that have historically hampered test cadences. Modifications to the fuselage are already underway to accommodate the air-launch requirements of the reusable Talon-A platform, with the aircraft expected to enter service in 2027.
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Stratolaunch Adds Boeing 777 to Hypersonic Test Fleet
A Boeing 777-200ER is the latest addition to Stratolaunch’s flight test infrastructure, marking a strategic shift toward global scalability. By integrating the aircraft into its existing fleet, the company aims to boost its hypersonic launch capacity by 35% and streamline the deployment of its autonomous Talon-A vehicles.
Zachary Krevor, President and CEO of Stratolaunch, emphasized that the move is designed to make routine hypersonic testing a viable reality for national security partners. The company has maintained significant momentum throughout the year, including a series of successful flights and a 90.8 million dollar contract awarded by the Department of War’s Test Resource Management Center. By utilizing a carrier-based launch architecture, Stratolaunch provides a more flexible alternative to traditional ground-launch systems, offering lower mission costs and more representative flight profiles for next-generation aerospace development.
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