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SUMMARY:LAUNCH OF NASA'S GRACE-FO PLUS IRIDIUM NEXT SATELLITES\, May 22\, 2018\, Vandenberg AFB\, CA\, 3:47 pm ET (webcast)
DESCRIPTION:UPDATE\, May 20:  The launch is still scheduled for May 22 at 3:47 pm ET.  NASA TV coverage begins 3:15 pm ET.  \nUPDATE\, May 15 :  Iridium tweeted tonight that the launch is now scheduled for May 22 at 3:47 pm ET (12:47 pm Pacific) “due to range availability.”    \nUPDATE\, May 14:  Iridium CEO Matt Desch said this morning that the launch has been delayed until no earlier than May 21 because of a launch vehicle issue.  An exact date will be announced later.   If May 21 is the date\, the launch will be at 12:53 pm Pacific time. \nOriginal Entry: \nNASA’s GRACE Follow-On (GRACE-FO) mission will be launched on a SpaceX Falcon 9 rocket together with a set of five commercial Iridium NEXT satellite from Vandenberg AFB\, CA on May 19\, 2018 at 4:04 pm Eastern Daylight Time (1:04 local time at the launch site). \nThe Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission will measure and monitor monthly changes in how mass is redistributed within and among Earth’s atmosphere\, oceans\, land and ice sheets\, as well as within Earth itself.  It is a follow-on to the original GRACE mission\, launched in 2002 and operational until October 2017.  Both GRACE and GRACE-FO are cooperative missions of NASA and the German Aerospace Center (DLR). \nGRACE-FO’s launch is a “ride-share” with the commercial Iridium satellites\, which are being launched into a compatible orbit. \nA pre-launch press conference will take place on May 17.
URL:https://spacepolicyonline.com/events/launch-of-nasas-grace-fo-plus-iridium-next-satellites-may-19-2018-vandenberg-afb-ca-404-pm-et-webcast/
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