Interesting Engineering on MSN
US to expand hypersonic missile-tracking satellite network with new $3.5 billion award
The SDA, part of the US Space Force, launches new generations of its systems roughly every two years. Tranche 1 was built by ...
WASHINGTON — The Space Development Agency announced Dec. 19 it awarded about $3.5 billion in contracts to four companies to build 72 missile-tracking satellites for the next phase of a low Earth orbit ...
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