Raytheon Company completed the preliminary design review (PDR) of the SM-3 Block IIA's throttleable divert and attitude control system. Essentially a rocket motor with four main divert nozzles and six attitude control nozzles, the TDACS's precision propulsion will enable the SM-3 Block IIA to intercept incoming ballistic missiles with pinpoint accuracy.
"The TDACS is the most complex component of the SM-3 Block IIA," said Wes Kremer, vice president of Raytheon Missile Systems' Air and Missile Defense Systems product line.
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