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2018-04-02


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iCRS-14 Dragon Resupply Missionj
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uBoth Falcon 9 and the Dragon spacecraft for the CRS-14 mission are flight-proven.v.viƒtƒ@ƒ‹ƒRƒ“9‚ÆCRS-14ƒ~ƒbƒVƒ‡ƒ“‚̃hƒ‰ƒSƒ“‰F’ˆ‘D‚Ì—¼•û‚ª”òsŽÀÑ‚ª‚ ‚è‚Ü‚·BFŽ©“®–|–ó‚̂܂ÜFˆÈ‰º“¯‚¶j

uFalcon 9fs first stage previously supported the CRS-12 mission in August 2017 and Dragon previously supported the CRS-8 mission in April 2016viƒtƒ@ƒ‹ƒRƒ“9‚Ìʼn‚̃Xƒe[ƒW‚ÍAˆÈ‘O‚Í2017”N8ŒŽ‚ÉCRS-12ƒ~ƒbƒVƒ‡ƒ“‚ðŽx‰‡‚µAƒhƒ‰ƒSƒ“‚Í2016”N4ŒŽ‚ÉCRS-8ƒ~ƒbƒVƒ‡ƒ“‚ð‘OƒTƒ|[ƒg‚µ‚Ü‚µ‚½Bj

uSpaceX will not attempt to recover Falcon 9fs first stage after launch.viSpaceX‚͑ł¿ã‚°Œãƒtƒ@ƒ‹ƒRƒ“9‚Ìʼn‚Ì’iŠK‚ð‰ñ•œ‚µ‚悤‚Æ‚µ‚Ü‚¹‚ñBj

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uMission Timeline (all times approximate)
COUNTDOWN
Hour/Min/Sec Events
- 01:13:00 SpaceX Launch Director verifies go for propellant load
- 01:10:00 RP-1 (rocket grade kerosene) loading underway
- 00:35:00 LOX (liquid oxygen) loading underway
- 00:07:00 Falcon 9 begins engine chill prior to launch
- 00:01:00 Flight computer commanded to begin final prelaunch checks
- 00:01:00 Propellant tank pressurization to flight pressure begins
- 00:00:45 SpaceX Launch Director verifies go for launch
- 00:00:03 Engine controller commands engine ignition sequence to start
- 00:00:00 Falcon 9 liftoff
LAUNCH AND DRAGON DEPLOYMENT
Hour/Min/Sec Events
00:01:08 Max Q (moment of peak mechanical stress on the rocket)
00:02:41 1st stage main engine cutoff (MECO)
00:02:45 1st and 2nd stages separate
00:02:52 2nd stage engine starts
00:09:03 2nd stage engine cutoff (SECO)
00:10:03 Dragon separates from 2nd stage
00:11:00 Dragonfs solar arrays deploy
02:20:00 Dragonfs Guidance, Navigation and Control bay door opensv

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iWhat is behind Dragon's Guidance, Navigation and Control bay door?j
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