New Satellites Will Be a Big Step in the Pentagon’s Plan to Link Everything
. . .The U.S. military’s push to link every object on the battlefield leaped forward Thursday with the release of a request for proposals to build 20 tactical-communications satellites by 2022.
The year-old Space Development Agency, or SDA, hosted an industry day to tell satellite makers about its plans for “transport layer”: essentially, orbiting communications nodes to transfer data related to intelligence, battle management, navigation and timing; and more.
The transport layer won’t replace the military’s existing communications satellites or the commercial ones whose services it rents, SDA director Derek Tournear told reporters. Instead the new layer will focus on “tactical data points that need to be given to a weapon system.” It will ferry very-time-sensitive data from drones, satellites in low Earth orbit, and other sensors. Pentagon officials received $25 million to develop and flight-test the satellites in the 2020 budget, and have asked for just under $100 million in 2021, said Tournear.
A slide from Thursday’s industry day explains how the transport layer would be the middle one in SDA’s plans for a three-tier space architecture. The lowest layer will consist of intelligence, surveillance, and reconnaissance satellites flying about 600 km above the earth. The Pentagon has said that this sensor layer is crucial for tracking future highly maneuverable hypersonic weapons, spotting missile launchers, and noting sudden troop movements. Those satellites will send the data up to the transport layer, which itself will fly beneath a second layer of sensor satellites orbiting at roughly 1,200 km. These would also be able to watch and track the trajectory of hypersonic or other missiles. All of the satellites will work to share timing and navigation data with the ground, essentially serving as an alternative GPS system. (Read more from “New Satellites Will Be a Big Step in the Pentagon’s Plan to Link Everything” HERE)
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