Phase IIb included development of the payloads and integration with the satellite vehicles, launch, Launch and Early Orbit Testing (LEOT), op- erations, and a rigorous demonstra- tion and test campaign. The primary test objectives are focused on verify- ing sensitivity, quality of service, and latency necessary to track HGVs and enable an interceptor. During LEOT, “first light” images were gathered within an astound- ing 45 days, allowing participation in HBTSS’ first test—Hypersonic Test
Bed (HTB)-1—within only 119 days from launch (compared to the nomi- nal 12 months for satellites). This test demonstrated the HBTSS’ ability to collect data on a hypersonic target—a significant technical achievement. To date, HBTSS has collected more than 350,000 images of MDA flight tests, other government agency flight tests, commercial flight tests, real-world events, and environmental events (i.e., Los Angeles fires) to support sensor performance characterization. Subsequently, HBTSS has collected
images against other relevant events, including HTB-2, and is preparing for additional testing opportunities. The Future of MDA— Acquisition Innovation and the Four Cs The HBTSS acquisition approach has served as a pathfinder for other MDA and DoD programs, such as the Discriminating Space Sensor; Glide Phase Interceptor; and USSF’s Medium Earth Orbit Missile Warn- ing/Missile Tracking, Transport, and
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