Gene J. Mikulka Profile picture
May 15, 2023 29 tweets 27 min read Read on X
#NASA #NAC #HEO -Next- Image
#NASA #NAC #HEO - Going over the plan for the #Artemis1 mission. Was a successful mission design Image
#NASA #NAC #HEO - Amit Kshatriya - What I was really thinking about were all about the US businesses that put thier hands on that hardware, sometimes "Mom & Pop" shops. Just how many of them contributed to the success. Image
#NASA #NAC #HEO - Every dollar that gets pulled out of the treasury gets put back 3x. Hale - Whoever put those engineering cameras on Orion was amazing! Image
#NASA #NAC #HEO - List of accomplishments for #Artemis1, MECO Targeting was phenomenal, the longest burn of an RL-10 engine, we got what we paid for in terms of an integrated test, had quite a bit of margin thermally & end-to-end recovery with the Navy. Image
#NASA #NAC #HEO - Started evaluation when the vehicle came back, had some odd behavior with the nozzle plume and some data on the heat sheild, we don't pre decide what we're going to do, want a fundamental understanding of the issues 1st. Image
#NASA #NAC #HEO - also looking at some odd behavior that was exhibited by the service module. Image
#NASA #NAC #HEO George Sowers asking about the environments Acoustics and such, A: VERY well.
#NASA #NAC #HEO - For #ArtemisII we're going to be VERY careful, will fly around Earth for a few hours to get the ECLSS squared away and the crew settled, then will target a free return. Transit s/b 2-3 days. Image
#NASA #NAC #HEO Major milestones for ArtemisII - Image
#NASA #NAC #HEO - Our main priority is the crew. They have started thier training and have very high confidence in the team training them, Highiest priority is to get the crew around the Moon and home to their families. Image
#NASA #NAC #HEO - On SLS Core: will hold the core until the October timeframe. Don't need it to stack until February time frame. Everything is tracking currently well for the November '24 timeframe. Image
#NASA #NAC #HEO - Hale: On Damage to ML 1, any debris concerns? A: Is everyone Satisfied? No, Charlie Blackwell Thompson is leading a study now on the debris that came off.
#NASA #NAC #HEO - Artemis III - first landing attempt Will insert into a Near Rectliniear Orbit. The plan is to do a direct dock with the SpaceX lander. have the crew transfer to the lander, land and conduct operations, and return home. Image
#NASA #NAC #HEO - need to conduct dual launch campaigns with the Super-Heavy & SLS. Artemis III will be a significant challenge.
#NASA #NAC #HEO - Landing site selection, started downselect of this, almost all science-driven, will look at lander ablities, and can we get to a spot that is in the performance box. Return of volatile samples is key to us. Image
#NASA #NAC #HEO - Hale - Is VIPER still on track to get there before you do? A: Yes it will be long enough to know what we need to do to retool our landing.
#NASA #NAC #HEO - SM 3 will ship the latter half of this year. Orion this will be the 1st time we do a docking. Building heritage from the ISS, same design on the Starliner. SLS Core 3 is back at the factory. Stage adapters & SRB's ready by summer. Image
#NASA #NAC #HEO - On the Ground Segment side, want to understand the refurb for the ML's then we start moving into the HLS, working very hard, On the flight at Boca got to 39 KM. There are some regulatory issues that kicked in. Image
#NASA #NAC #HEO - SpaceX is an integral partner got to look at the ECLSS for the lander. Have a team of people that are engaged with them now. Assisting with how to interpreting the data.
#NASA #NAC #HEO - Hale On Apollo, the lander was the pacing item, I suspect that will be the same thing here. A: We really want to fly this mission as we planned it but the key is to keep flying, we will choose missions on the hardware that is available.
#NASA #NAC #HEO - George Sowers - This will be the last ICPS? A: Yes.
#NASA #NAC #HEO - Interfaces between the suits and Orion and Suits and the lander, things are moving along hardware flying all over the place.
#NASA #NAC #HEO For #ArtemisIV - Will start construction of Gateway, Orion will take the iHAB out, will mate the iHAB to the power element and enter into the iHAB, then Orion returns, Brings Heavy lift out at the pad. Image
#NASA #NAC #HEO - SLS: Finished CDR on the Upper stage, Put the Universal stage adapter, looked at it and it's HUGE. Bectel building the primary structure on ML-2 design review complete, expect the tower to begin construction by end of the summer. Image
#NASA #NAC #HEO On HLS side we'll get out of the "alphabet soup here" and will get the lander ready Image
#NASA #NAC #HEO - Will have a second provider for #ArtemisV. Have eyes out as far as #ArtemisVI for engines and have cycles out for Missions IV, V, & VI. Hale asking on on when you run out of Shuttle Heritage engines. A: Think Artemis V for RS-25's and for STS OMS Engines. Image
#NASA #NAC #HEO On Flight Projects: A lot of the investment is in exploration capabilities, a lot of these projects have been invoked in LEO. On ISS seeing water reclamation at 99%, for a Mars mission need 98%. Image
#NASA #NAC #HEO - Presentation completed. Image

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More from @genejm29

May 15, 2023
#NASA #NAC #HEO #TIE - Next up.. Image
#NASA #NAC #HEO #TIE _ Why nuclear power and propulsion: The system is well suited for space exploration activities and does share an interest in commercial space. Image
#NASA #NAC #HEO #TIE - Surface power strategy, want to deliver a qualified flight demo in 2030 and want to transition technology to industry. Looking at a 40Kw scalable system at first. want system to be placed at different lunar surface sites and a 10 year lifetime Image
Read 27 tweets
May 15, 2023
#NASA #NAC #HEO #TIE Niki Werkheiser up next
#NASA #NAC #HEO #TIE Why develop ISRU Can increase safety for the crew and has direct applications here on Earth. Planetary preservation is paramount Image
#NASA #NAC #HEO #TIE - ISRU is one of the 6 points of extreme environmental extreme access, dust mitigation, and unique aspects to each one of these points want to make sure we're driving these processes to mitigate risk. Image
Read 20 tweets
May 15, 2023
#NASA #NAC #HEO - Next Presentation... Image
#NASA #NAC #HEO - We have 3 points as described in the chart Develop tech not only for human and robotic exploration but tech that drives the expanding space economy. Image
#NASA #NAC #HEO - QR code for the strategy 63 top-level objectives developed as a cross-agency activity Image
Read 16 tweets
May 15, 2023
#NASA #NAC #HEO - Session starting with @nujoud Image
As a systems engineer you also have to state the why. When we're talking here we have to say why we're doing the architecture Image
#NASA #NAC #HEO - Some of the papers that describe the why and the challenges Image
Read 16 tweets
May 15, 2023
#NASA #NAC #HEO - Cathy Koerner is next Image
#NASA #NAC #HEO -Aking why we do this, and this is @Astro_Pam's chart as to why we do things Image
#NASA #NAC #HEO - Taken objectives and broken them down into 4 categories, form those objectives we're creating an architecture. with our workforce, international partners, industry and academic partners Image
Read 17 tweets
May 15, 2023
#NASA #NAC #HEO - Jim Free, we want to get on pace to launch every year, that will be a challenge to ac hive without the budget to go with it. Will work closely with the Centers, will have great collaboration but will also be a time when we need to talk stuff though Image
#NASA #NAC #HEO - Want a sustained presence meaning a robotic presence on the Moon when we don't have crew present
#NASA #NAC #HEO Free: Were going to transition program to operations; Agency decided NOT to do that, so a new organization had to be established Image
Read 18 tweets

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