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02-Nov-10 | Second scrub

A second shot at launching Italy’s COSMO-SkyMed 4 was scrubbed last night with about 2 minutes left in the countdown. Engineers noted insufficient flow in a gaseous nitrogen purge system in the vehicle’s main engine section, meant to “ensure that critical components in close proximity to cryogenic propulsion systems are kept warm,” according to a ULA press release. No word on whether this is related to the heater issue that scrubbed the previous night’s launch. A third attempt is scheduled for Tuesday evening, November 2 (local time).


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