CheeseSandwich

CheeseSandwich t1_jdy909a wrote

That was the big deal about the MX/Peacemaker missile. It relied on an extremely accurate internal navigational system called AIRS (eventually called IMU) that produced a circular error probable (CEP) around 90 meters. The MX was designed to survive an initial nuclear attack and be capable of being launched and retargeted quickly and accurately. Other American missile systems had a CEP of 160 meters.

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