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Nanosatellites Could Play Pivotal Role in Defense Against Enemy Missiles

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WASHINGTON:Two Missile Defense Agency nanosatellites — known as CubeSats — that launched June 30 into low-earth orbit from the Mojave Air and Space Port in California could play a large role in the future of U.S. missile defense. 

The CubeSat Networked Communications Experiment Block 1 — part of MDA's Nanosat Testbed Initiative — uses small, low-cost satellites to demonstrate networked radio communications between nanosatellites while in orbit. MDA will conduct a 90-day demonstration, with a mission extension of up to one year, to ensure the two CubeSats can navigate properly, receive and send signals to radios and networks and operate as intended.

"These satellites will test key technologies that mitigate risk for systems, such as the Hypersonic and Ballistic Tracking Space Sensor," Walt Chai, MDA director for space sensors, said. "The CNCE Block 1 mission will demonstrate the viability of advanced communications technologies using reduced size, weight and power in support of missile defense communications architectures."

MDA is developing the Hypersonic and Ballistic Tracking Space Sensor payload. When eventually deployed on satellites in low earth orbit, it will detect and track hypersonic and ballistic missile threats and provide critical data to the Missile Defense System and the warfighter.

"The missile defense architecture will require communications between interceptors, sensors and command and control systems to quickly identify, track and destroy incoming enemy missiles before they reach their targets. The CubeSats will allow the agency to demonstrate the capabilities quickly and affordably," Chai said.

CubeSat missions allow for flexibility that includes rapid follow-on flights featuring planned, incremental technology improvements with overall greater cost efficiency than using larger, more traditional satellites.

"The ability to use CubeSats for low-cost access to space is essential in maturing technologies for future applications in missile defense," Shari Feth, head of the Innovation, Science and Technology directorate at MDA, said. "For the NTI efforts, we only need something small to take technology experiments to space in order to test in the relevant environment and gather accurate data. CubeSats are the perfect platform for this."

CubeSats are a subset of the small satellite family of satellite systems known as nanosatellites. A small satellite is generally considered to be any satellite that weighs less than 300 kilograms (660 pounds). Within the small satellite family, CubeSats are defined by standardized characteristics such as shape, size and weight.

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