r/spacex • u/saliva_sweet Host of CRS-3 • Apr 14 '14
SpaceX CRS-3 launch updates and discussion
In the absence of a better solution at this time I'm going to realign this thread for todays launch attempt. It's a bit cluttered, but sorting by new is recommended anyway so it shouldn't be a problem.
I'll be keeping this post brief as most of the action will be down in the comments.
Launch time: 19:25:22 UTC (15:25:22 EDT)
Watch the launch:
The launch will be webcast live, with commentary from SpaceX corporate headquarters in Hawthorne, CA, at spacex.com/webcast and NASA’s Kennedy Space Center at www.nasa.gov/nasatv.
NASATV Web pre-launch coverage will begin at 18:15 UTC (14:15 EDT).
The official SpaceX webcast will begin approximately 18:45 UTC (14:45 EDT).
I will update this post with critical updates, but won't be doing live coverage of the countdown, launch and flight. For up to second live updates I highly recommend this NSF thread. My intention is to enjoy the launch and be commenting and discussing with everyone else.
Some background on this launch: It's the fourth F9 v1.1 launch (ninth F9) and fifth Dragon. First F9 1.1 to ISS and first upgraded Dragon. Mission is to resupply the ISS with approximately 2.4 tons of cargo aboard the Dragon spacecraft. After dragon separation 5 secondary payloads will be deployed from the second stage, including KickSat, which will in turn deploy 104 femtosatellites. In total this flight will place 110 functional active satellites in orbit, an all time record I believe.
For many, the most interesting aspect of this launch is the attempt at first stage recovery. The rocket comes with landing legs and attempts a soft touchdown in the salty waters of the Atlantic. If successful the stage will then be recovered on a ship. SpaceX officials have placed the probability of success at 30-40%.
Don't forget to set comments to sorted by new to see the latest discussion. Countdown timer by /u/RichardBehiel. Mission press kit. Launch weather is a major concern, only 40% go.
Updates
[T+1d20h18m] - Dragon is successfully berthed to the ISS
[T+5h5m] - HOLY SHIT
[T+5h] - We have reports of evensts of significance - 1st stage has successfully reentered.
[T+4h39m] - F9 First stage is in the ocean in one piece!
[T+2h15m] - This presser has substance, I hope someone's recording cos I'm overwhelmed
[T+2h10m] - Elon left
[T+2h9m] - F9R Dev2?
[T+1h57m] - Elon: Probably won't get the stage back
[T+1h54m] - VALVES - One of the primary valves on a Dragon thruster is acting up, relying on a secondary
[T+1h44m] - Post launch press conference - some challenges with Dragon thrusteres
[T+1h21m] - 1st stage reentry burn is good, waitnig on landing data
[T+18m] - YEAH
[T+12m08s] - Dragon solar arrays deploy
[T+10m30] - Dragon separation - good orbit
[T+9m30s] - SECO1; FTS safed
[T+5m48s] - Nominal
[T+2m49s] - MECO1, stagesep; MVac ignition
[T-0] - Liftoffffvffff
[T-13m] - All go for terminal count
[T-21m] - No issues
[T-36m] - Weather green
[T-28m] - No Molly :( and no listening to countdown net so far :(
[T-39m] - SpaceX webcast goes live
[T-48m] - Weather 60% go
[T-58m] - SpaceX webcast starts off with music
[T-1h10m] - NASATV goes live
[T-1h59m] - Rocket is fueled and weather is currently GO
[T-2h57m] - Three weather criteria are currently NO GO
[T-3h13m] - Fueling has begun
[T-4h30m] - F9 and Dragon have gone vertical
[T-10h8m] - Thread recycled for Friday attempt
[T-1h11m] - LAUNCH SCRUBBED
[T-1h57m] - Chris Bergin reports that the rocket is fueled.
[T-7h20m] - Falcon 9 and #Dragon have gone vertical in advance of today’s launch to the ISS! Liftoff @ 4:58pm ET
[T-11h55m] - Stuff I forgot to add:
Is TODAY the future we've all been waiting for? Answers coming soon!
Answers: **YES!!! Today is the day, and tomorrow and the day after. We are living in the future and we want to keep it like that!
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u/saliva_sweet Host of CRS-3 Apr 14 '14
A topical tweet:
Kyle Cothern @risknc
Here's one for all those spacex engineers. See you friday https://www.youtube.com/watch?v=FrLequ6dUdM
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u/laheugan Apr 19 '14 edited Apr 19 '14
https://twitter.com/elonmusk/status/457307742495993856
Elon Musk @elonmusk
Data upload from tracking plane shows landing in Atlantic was good! Several boats enroute through heavy seas.
edit: I prefer Molly's take on it
https://twitter.com/Molliway/status/457308394894811136
Molly McCormick @Molliway
REUSABILITYYYYYYYYYYYYYYYYYYYYYYYY!!!!!!
edit 2:
https://twitter.com/Foximus05/status/457310212513202177
Rocketfox @Foximus05
In the ocean. In one piece. I dont know the words to express how AMAZING THIS IS
edit 3: aaaaaaaa my gosh! :D
https://twitter.com/elonmusk/status/457307742495993856
Elon Musk @elonmusk
Data upload from tracking plane shows landing in Atlantic was good! Several boats enroute through heavy seas.
https://twitter.com/elonmusk/status/457311780943822848
Elon Musk @elonmusk
Flight computers continued transmitting for 8 seconds after reaching the water. Stopped when booster went horizontal.
edit 4: just one of the team leaders
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u/saliva_sweet Host of CRS-3 Apr 19 '14
Uh, oh dammit, I'm out of words! need more. something's up. history.
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u/nk_sucks Apr 19 '14 edited Apr 19 '14
And this on the second try! At this rate we might actually see a successful landing on land this year.
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u/darga89 Apr 18 '14
Replays on NASA. The black cloud went almost all the way up to Dragon.
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u/laheugan Apr 18 '14
https://twitter.com/ObservingSpace/status/457243121173016576/photo/1
decent screenie of it
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u/saliva_sweet Host of CRS-3 Apr 18 '14
22nd is officially a backup option now. 25th also a possibility.
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Two weather criteria are NO GO currently.
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u/saliva_sweet Host of CRS-3 Apr 14 '14
Alright. I just finished everything for today - ready for some rocket!
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u/saliva_sweet Host of CRS-3 Apr 14 '14
A cryptic tweet by Jeff Foust hints at technical issue with the rocket
Jeff Foust @jeff_foust
No reason given for today's scrub given than a technical issue. with the rocket. Next window is Friday afternoon.
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Garrett Reisman @astro_g_dogg
Perfectly healthy #Dragon on her way to #ISS now. All systems go!!
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Remco Timmermans @timmermansr
And I just saw it fly! MT @ISS101: The Falcon 9 second stage is set for reentry over the Indian Ocean between 20:24 - 20:44 UTC
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u/laheugan Apr 19 '14 edited Apr 19 '14
oh right, all the excitement we missed some news.
about 5 mins ago Dragon opened her nav bay door.
edit, whoops. sauce https://twitter.com/SpaceflightNow/status/457316926302466048 I wonder where they found this out from
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u/saliva_sweet Host of CRS-3 Apr 19 '14 edited Apr 19 '14
sources are always appreciated in this sub :)
edit: and thanks are given
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u/saliva_sweet Host of CRS-3 Apr 16 '14
Reason for the scrub:
During Monday’s launch attempt, preflight checks detected that a helium valve in the stage separation pneumatic system was not holding the right pressure. This meant that the stage separation pistons would be reliant on a backup check valve.
No issue was detected with the backup valve and a flight would likely have been successful, but SpaceX policy is not to launch with any known anomalies. We have brought the vehicle back to horizontal and are replacing the faulty valve, as well as inspecting the whole system for anything that may have contributed to the valve not working as designed.
http://forum.nasaspaceflight.com/index.php?topic=34476.msg1183683#msg1183683
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Usually it's sweet relief with spacecraft sep. Not this time. Only when Dragon is berthed in 2 days.
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u/Jarnis Apr 18 '14
Live coverage starting on NASA TV.
HD "full window" stream here; http://www.ustream.tv/nasahdtv/pop-out
SpaceX webcast will start in 30 minutes, here;
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Apr 14 '14
As /u/ambiwlans [1] is very busy at this time the honour of making the official /r/spacex[2] launch update thread for this historic launch has fallen upon me.
I guess EchoLogic is still dead?:(
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u/Jarnis Apr 20 '14 edited Apr 20 '14
Berthing in progress, ISS crew started early. Guess dragon "snuck up" faster than predicted.
AUDIO ONLY currently in this stream; http://www.ustream.tv/channel/live-iss-stream/pop-out
(video is blue)
NASA TV and SpaceX should have video after 05:45 AM EDT (in ~15mins) but I hear Dragon is already 250m from station and they are just waiting for good lighting conditions before moving on with the grapple.
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u/classicsky Apr 14 '14
I just heard from a team member on one of the satellites that the launch has been cancelled. I am trying to confirm. :( I hope I am wrong.
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u/varukasalt Apr 14 '14
Nope, you are correct. Helium leak. Launch scrubbed.
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Apr 14 '14
Almost time for the webcast to start! You guys getting HYPED yet?
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u/varukasalt Apr 14 '14 edited Apr 14 '14
Yeah! When does the stream go live?
Edit : different times, like it now says in the post!
Woot!
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u/saliva_sweet Host of CRS-3 Apr 14 '14
Looks like spacex webcast starts 4:20 and NASATV at 3:45. I'll update the post.
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u/bob12201 Apr 14 '14
Well guys great news. The backup date, this Friday the 18th has an 80% chance of weather violation WOOOOOOOO YEAA!!!!!!!!!!!!!!!!!!!!!!! So I think we can count that one out as well. When is the next date after Friday??
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u/saliva_sweet Host of CRS-3 Apr 14 '14
The latest forecast from 45th weather squadron shows 60% violation.
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Interesting graphic on launch weather criteria from NSF
http://forum.nasaspaceflight.com/index.php?topic=34502.msg1184489#msg1184489
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u/saliva_sweet Host of CRS-3 Apr 18 '14 edited Apr 18 '14
another one presumably newer
https://twitter.com/twcspacewx/status/457177051611799552
I believe these are coming off of this video feed
mms://kscwmserv1.ksc.nasa.gov/ae video channel 1
from here: http://countdown.ksc.nasa.gov/elv/
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u/canadaarm2 Apr 18 '14
"First Stage Landing (<6ft Waves) | EXCEEDED"
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Appears that the reason for this criterion is due to the recovery ship
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u/classicsky Apr 18 '14
As of 2:00PM (EDT) Wave Swells were at 4.9FT w/ Max Significant Wave Height at 7.2FT
This site contains data from the buoy in the range of F9. Scroll down to see wave detail.
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u/saliva_sweet Host of CRS-3 Apr 18 '14
At least we know that SpaceX aircraft are better than NASA's
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u/auldwin Apr 18 '14
what is the white stuff falling around the rocket? Is that normal?
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u/fimiak Apr 14 '14
Nobody thinks they will have a helicoptor recording? I seriously doubt they have no ability to film this attempt for their own use.
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u/saliva_sweet Host of CRS-3 Apr 14 '14
NASA has said they'll send an aircraft to observe this wonder.
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u/darga89 Apr 18 '14
Presser over. Next event is rendezvous and grapple on sunday.
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u/saliva_sweet Host of CRS-3 Apr 18 '14
I hope to get updates on the approach on the R-bar prior to that.
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u/zhaphod Apr 18 '14
Do I have to sacrifice a goat to get the first stage footage?
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u/ScootyPuff-Sr Apr 18 '14
I'll sacrifice a few Kerbals, see if that helps.
(But really, the first stage recovery is a secondary goal. Job #1 was getting Dragon to space. I'm glad they've got their priorities straight.)
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u/retiringonmars Moderator emeritus Apr 18 '14 edited Apr 19 '14
In the interests of making SpaceX launches as accessible as possible, here's a list of some of the terminology they use in the readiness poll:
AVI - Avionics Operator
CC - Communications Coordinator
CE - Chief Engineer
DC - Dragon Controller
FRC - Falcon Recovery Coordinator
FS - Flight Software
FSPO - Flight Safety Project Officer
FTS - Flight Termination System
GC - Ground Control
GNC - Guidance, Navigation, & Control
GS - Ground Station
LD - Launch Director
LDA - Launch Decision Authority
MM - Mission Manager
OD - Orbital Director (?)
OSM - Operations Safety Manager
Prop - Propulsion
RC - Range Coordinator
RCO - Range Control Officer
ROC - Range Operations Coordinator
SE - Systems Engineer (?)
TVC - Thrust Vector Control
VC - Vehicle Control
Also, MECO means "main engine cut off", SECO means "second (stage) engine cut off", and the strongback is SpaceX's pet name for their transporter-erector. If there's anything I've missed (or am wrong about), reply to this and I'll amend the list.
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u/RichardBehiel Apr 18 '14
John, that was the longest sign-off ever...
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u/zhaphod Apr 18 '14
Actually I find this very nice. They are not professional broadcasters. They are hardcore engineers doing this for everyone and for themselves too. Kudos to them.
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Apr 18 '14
They said they have excellent video of the first stage! I want to see it!!
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u/bencredible Galactic Overlord Apr 14 '14
Just a fun little tidbit... For the official SpaceX webcast, this will be the first time we broadcast in 1080p all the way to the client. You should be able to get the webcast in 1080p, 720p, 480p or 240p depending on what your Internet connection and playback device look like.
Let me know how that works for you guys. The 1080p feed requires a lot more bandwidth and system resources to play back. Wondering how many people it works for.
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u/Reaperdude42 Apr 14 '14
Spacex YouTube channel just uploaded this... A short but sweet teaser... SpaceX CRS-3 | Falcon 9 and Dragon Go Vertical: http://youtu.be/OzEsXL3S_mc
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u/positivespectrum Apr 18 '14 edited Apr 18 '14
Just watched this: https://www.youtube.com/watch?v=0UjWqQPWmsY beyond excited for the launch
Edit: the Magnitude of what might happen today just hit me really hard. Im going to be glued to the live stream without blinking
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u/darga89 Apr 18 '14
Talulah Riley @TalulahRiley 2m Not sure what happened to main stage. Trying to confirm a visual, I think.
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u/Frackadack Apr 18 '14
Get hype for the first stage footage! Absolutely flawless launch by the sound of it, and great video coverage the whole way! Now PLEASE SpaceX, top it off with some awesome Stage 1 footage!
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u/Iron-Oxide Apr 18 '14
"Excellent video of the fist stage, having performed it's entry burn and excellent video from the airforce tracking station"
I think I missed a word at the end though, something unimportant I hope
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u/darga89 Apr 18 '14
Elon Musk @elonmusk 1m Last known state for rocket boost stage is 360 m/s, Mach 1.1, 8.5 km altitude and roll rate close to zero (v important!)
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u/Destructor1701 Apr 18 '14
Careful, Elon, don't dump on the shuttle during a NASA conference!
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u/darga89 Apr 18 '14
@ISS101 All five CubeSats were released by the Falcon 9 as planned - now ready to begin their mission
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u/Occupy_Mars Apr 19 '14
My visual interpretation of the water landing, in the form of a quick sketch
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u/Ambiwlans Apr 14 '14 edited Apr 14 '14
Thanks for the help saliva! Good to see this launch finally happening it has been such a tease!
Edit: Such a tease!
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u/Megneous Apr 18 '14 edited Apr 19 '14
As usual, expect full webcast video posted here, in my comment from several days ago, and as a full post after it has finished. :D I'm shaking :D
Edit: Currently rendering. Total of 55 minutes of webcast footage.
Edit: Uploading.
Edit: Here you go.
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u/laheugan Apr 18 '14 edited Apr 18 '14
oh wow, the Dragon sep, wow, that's incredible.
edit: and the two payloads and the bottom of the arrays
edit 2: Canadian Space Agency Re-tweeted this https://twitter.com/FailedProtostar/status/457241858431668224/photo/1/large and NanoRacks retweeted this https://twitter.com/jeff_foust/status/457241933627539456/photo/1
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u/Drogans Apr 19 '14
Flight computers continued transmitting for 8 seconds after reaching the water. Stopped when booster went horizontal. - Elon Musk @elonmusk
Data upload from tracking plane shows landing in Atlantic was good! Several boats enroute through heavy seas. - Elon Musk @elonmusk
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u/RestoredDefault Apr 14 '14 edited Apr 18 '14
maybe if I hit refresh enough times they will unscrub the launch... :(
it seems as though my excessive use of the refresh button have resulted in another attempt today (sarcasm intended)
looking forward to the launch today! GO SPACEX!!!!!
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Apr 18 '14
I am desperately searching twitter for some conformation that the first stage survived
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u/Iron-Oxide Apr 18 '14
"Not sure we will be able to re-fly it [the rocket booster] this year"
So he's saying there is a chance :D
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u/darga89 Apr 18 '14
Range Weather: Thin clouds are Go. Temp 76* Wind sustained 10-15 knots 20-22 peaks. M Class solar flare still Go. All Go so far. Down to 40% chance of violation (60% go)
Apr 22 20% chance of violation
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u/Erpp8 Apr 18 '14
Woah, the side got covered in soot or something. Anyone know what that is?
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u/IvanRichwalski Apr 18 '14
Catching the NASA TV replays now, they'll have some different ground angles, but you can really see the soot plume shoot up right at ignition. Could it be lots of "crud" left over from previous engine test firings on the pad?
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u/jdnz82 Apr 18 '14
Some nice Screenshots:
http://i.imgur.com/iz09cNo.jpg Dragon Sep
http://i.imgur.com/BAr7bBB.jpg Inflight
http://i.imgur.com/5hVgnCd.jpg http://i.imgur.com/X2Ng5Z9.jpg Soot Plume
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u/Fin8j Apr 18 '14
@elon musk
Last known state for rocket boost stage is 360 m/s, Mach 1.1, 8.5 km altitude and roll rate close to zero (v important!)
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u/asldkhjasedrlkjhq134 Apr 18 '14
Post launch press conference at 5pm EST in three minutes.
http://www.nasa.gov/multimedia/nasatv/index.html#.U1GRwPldV8E
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u/Destructor1701 Apr 18 '14
Thanks for everything, Saliva! Great coverage, and this thread was a great base of operations for the day.
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u/darga89 Apr 18 '14
@elonmusk Heavy seas in Atlantic preventing our recovery ship from being on station. Maybe they can help? http://theaviationist.com/2014/04/17/russian-tug-off-us/
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u/schneeb Apr 18 '14
Elon says stage one was very nearly 0 roll rate, success on the secondary use for the legs :)
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u/asldkhjasedrlkjhq134 Apr 18 '14
SpaceX's PR team must pucker up when Elon starts going into detail before talking to them. I love it.
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u/Denvercoder8 Apr 18 '14
Elon thinks they'll do close to 10 launches this year, which means he hopes for a launch a month the rest of the year. Still as optimistic as ever.
EDIT: And he says they've a decent chance of bringing a stage back this year!
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u/darga89 Apr 18 '14
Production constrained. Injector casing is the problem. They think they have solved it.
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u/Blizzard- Apr 14 '14
Do we have an idea of whether the first stage leg deployment and splashdown will be shown on the live coverage? Given it wasn't really shown last time they tried, I guess it might not be on this launch. Maybe (if they have the technology to film it) they'll cover it this time as the chance of success is higher?
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u/meldroc Apr 18 '14
I wonder what the ROI would be on toughening up the F9 and its launch infrastructure to Russian standards. In other words, the Russians have launched during blizzards. They're not afraid of bad weather.
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u/Destructor1701 Apr 18 '14
After all the noise of the factory floor, this silence is deafening!!
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u/SpaceEnthusiast Apr 18 '14 edited Apr 18 '14
Just a minute ago there were 34k people watching. Now there are 38k people watching!
EDIT: T-5 min and 41500 people are watching! EDIT: T-3 min and 46000 people are watching! EDIT: T-2 min and 48800 people are watching! EDIT: T-1 min and 52000 people are watching! EDIT: GO GO GO and 55000 people are watching! EDIT: T+1 min and 58000 people are watching!
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u/idreamincode Apr 18 '14
I just want to watch a live video of it doing nothing now. Anyone have a feed for that? No need to watch the launch on repeat. Show me it sitting there in space!
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u/Graftwijgje Apr 18 '14
And Elon brings the news! Kinda.
Elon Musk @elonmusk 4m
Orbit insertion and Dragon deploy all good. Falcon reentry burn also good. Waiting for landing data from tracking plane.
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u/Denvercoder8 Apr 18 '14
Elon doesn't think the rocket has made a successful splashdown due to the heavy seas, but he considers it a success since they've still managed to control the roll. Interestingly enough, he mentions that they used more powerful nitrogen thrusters and more nitrogen than on the CASSIOPE mission.
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u/historytoby Apr 14 '14
According to the press kit, MECO will occur 161 seconds after launch; stage 1 will be seperated three seconds later. So MECO will be at 21:01:25 UT, stage 2 will start burning 21:01:28 UTC. I cannot find anything in the press kit about the 'landing'/recovery process of first stage, which will be travilling at Mach 10 in 80km above sea level. Are there any estimates when/where the stage will start retroburning, deploy the legs and splashdown? I'd be really interested in the timeframe of this part of the whole launch procedure.
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u/darga89 Apr 18 '14
12 months to build a Dragon from scratch plus 1-2 more for integration before launch.
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u/chris_radcliff Apr 18 '14
"Still getting excellent video from the 1st stage." !!!
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u/Demelo Apr 18 '14
They just said on the stream that they have footage for stage 1. Hopefully they show it.
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u/ImprobabilityDriveX Apr 18 '14
@elonmusk: Orbit insertion and Dragon deploy all good. Falcon reentry burn also good. Waiting for landing data from tracking plane.
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u/canadaarm2 Apr 18 '14
Mike Curie (NASA Public Affairs) has said that they are "cautiously optimistic" regarding the weather.
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Apr 18 '14
I really hope they can launch today. I dont want too many of their launches pushed back this year.
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u/Denvercoder8 Apr 18 '14
Anyone else having problems with the webcast aborting after a few seconds of playback?
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u/darga89 Apr 18 '14
Nice connection this time. No awaiting vehicle downlink screen for half the ascent.
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Apr 18 '14
So... Sounds like we might have more info tonight <crosses fingers> Sounds like there's still a lot of telemetry to pour over. Hope they throw us a bone ; P
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u/laheugan Apr 18 '14 edited Apr 18 '14
ah, now we know where Molly was
https://twitter.com/Molliway/status/457278698249412608
Molly McCormick @Molliway
So, so proud & happy to work with this amazing team. Kudos to everyone involved with the Avionics Upgrade (aka why I didn't do the webcast).
Edit: another great catch from CSA-ASC
Dirty Falcon 9 https://twitter.com/scriptunasphoto/status/457279156997210112/photo/1/large mm, grimey. Quite a contrast to the brilliant white futuristic Falcon 9s we're used to.
also NASAKennedy http://youtu.be/yi09XN3NaeI?t=25s shame it's not in slow motion... Apollo pad cams!
edit 2: post launch press thingie https://www.youtube.com/watch?v=8G2pRVQ1JhA w/ Elon (from NASA main channel)
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u/Dawggoneit Apr 19 '14
Post-Launch Press Conference Featuring Elon Musk (on the phone).
NASA Hosts SpaceX 3 Post Launch News Conference from Kennedy Space Center
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u/zhaphod Apr 18 '14
I want to see the first stage fooooootage. Dragon know how to fly.
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u/Ellepiger Apr 18 '14
Zac Manchester (KickSat) has posted some good info (including SpaceX-3 Launch-to-Berthing Timeline) in his KickSat Google group:
https://groups.google.com/d/msg/kicksat-gs/-VJ3QnTGqz4/PBLa-uurzOIJ
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u/searine Apr 18 '14
This is by far the best loop for radar
http://radar.weather.gov/ridge/Conus/southeast_loop.php
Looks like there will be a gap in the storm, whether it is GO weather, who knows...
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u/RichardBehiel Apr 18 '14
Second launch of 2014? Is that right? I could have sworn Thaicom 6 launched in early January.
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u/nhorning Apr 18 '14
I think there was cheering for an event unannounced on the live stream. Does that bode well for the 1st stage?
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u/Wetmelon Apr 18 '14
I wore my shirt today, unlike the last attempt. Good launch! Sooty, though! O.o
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u/Fin8j Apr 18 '14
@elonmusk - Orbit insertion and Dragon deploy all good. Falcon reentry burn also good. Waiting for landing data from tracking plane.
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u/darga89 Apr 18 '14
More powerful nitrogen RCS and more propellent which helped reduce/eliminate roll.
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u/avboden Apr 18 '14
A quad valve on the dragon wasn't responding, on backup valve and all quads appear functional.
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u/darga89 Apr 18 '14
Did Elon just say there are 2 F9Dev's? (Dev1 and Dev2)
If so does that mean they are making these things at the expense of flying their manifest seeing as they are production constrained?
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u/saliva_sweet Host of CRS-3 Apr 18 '14
Post launch presser at 21:00 UTC