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21-Apr-06 | Launch scrubbed

Launch of the NASA-led dual missions of CALIPSO and CloudSat was scrubbed this morning with 48 seconds to go in the countdown.  Spaceflight Now’s Mission Status Center quickly reported a momentary loss of communication between the CALIPSO spacecraft and its ground support network at CNES in Toulouse, France, while a NASA Media Advisory later in the day stated the loss was of primary and backup phone lines between France and the Mission Directors Center at Vanderberg.  In any case, the drop-out meant a fateful call of “hold – hold – hold,” and with only an instantaneous launch window there was no time to reset to the T-minus four minute mark. Controllers expect to understand the comm glitch today, and are working toward another attempt tomorrow morning, Saturday, 22 April.

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