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SDA & DARPA: June Demos To Prove Optical Sat Link Capability

By
Theresa Hitchens
on March 08, 2021 at 4:51 PM
Laser interlinks for satellites, JAXA image
WASHINGTON: As DoD eyes low-cost satellite constellations to provide resilient communications, a crucial bottleneck has emerged: reliable optical data links both between satellites in space and from space to the ground.
“Think about it, getting a laser beam on a spacecraft to point to a laser receiver on another spacecraft accurately enough with the right power levels, the right waveforms etc.,– it’s not an easy thing,” Nick Bucci, vice president of program development at General Atomics said in an interview. ” And to be able to do that reliably at range is a difficult challenge.” ....

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Operational Comms, Missile Tracking Sats Up In 2024: SDA

By
Theresa Hitchens
on February 11, 2021 at 5:24 PM
WASHINGTON: The Space Development Agency (SDA) plans to issue a request for proposals this summer for some 150 satellites to provide “initial warfighting capability” for communications and missile tracking, says SDA Director Derek Tournear.
The new satellites, to be launched in September 2024, will comprise what SDA calls “Tranche 1” of its planned seven-layer National Defense Space Architecture. They will follow-on the 20 Transport Layer satellites for porting data to users and the 10 Tracking Layer missile warning and tracking sats planned for launch in March 2023 to demonstrate capabilities, Tournear told the SmallSat Symposium today.
According to the slides Tournear presented today, the Tranche 1 satellites will allow “persistent regional access” for warfighters on the ground. “Tranche 1 is going to be a big deal,” he said. ....

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