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Spacecraft Computer Orbit Replaceable Unit (ORU)
This is the spacecraft computer Orbit Replaceable Unit (ORU) on ASTRO. As part of mission objectives, this computer will be removed and replaced on ASTRO where it is integrated as part of the sensor processing systems. Mission objectives require ASTRO to remove and replace the computer then use the computer as its primary sensor processor during unmated scenario operations.
Boeing/MDA image courtesy DARPA