Main Engine Cut Off

Dr. John Charles spent nearly 33 years at NASA—most recently as Chief Scientist of the Human Research Program—working on human spaceflight through Shuttle, Mir, ISS, and beyond. He lead missions such as STS-95 (John Glenn’s Shuttle flight), STS-107, and the Twins Study with Scott and Mark Kelly. He retired from NASA in February 2018 and is now the Scientist in Resident at Space Center Houston. We talk about his career, the human spaceflight issues he worked and solved in his time at NASA, and the things that need to be solved for the exploration of the Moon, Mars, and beyond. This episode of Main Engine Cut Off is brought to you by 39 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, Lars, Heather, and six anonymous—and 238 other supporters on Patreon. AstroCryptoTriviology, John’s Blog About John John Cha

Last week, the US Air Force announced and expounded on the Rapid Agile Launch Initiative. Along with the new initiative, the new era of small launch is finally here, so it’s worth discussing a bit. This episode of Main Engine Cut Off is brought to you by 39 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, Lars, Heather, and six anonymous—and 239 other supporters on Patreon. Rapid Agile Launch Initiative - Main Engine Cut Off Rocket Lab to launch three R&D satellites for the U.S. Air Force | Rocket Lab Virgin Orbit wins first Defense Department launch contract - SpaceNews.com US Air Force releases RFI for SRP-O ASLON-45 small launch effort | Jane's 360 Relativity Signs Telesat, Eyes Polar Launch Site - Main Engine Cut Off Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follo

This month we talk EM-1, Moon by 2024, the commercialization of LEO, and more. This episode of Main Engine Cut Off is brought to you by 38 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, Lars, and six anonymous—and 239 other supporters on Patreon. Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy shirts and Rocket Socks from the Main Engine Cut Off Shop Support Main Engine Cut Off on Patreon Music by Max Justus

The National Space Council met this week and Vice President Pence announced the administration’s intentions to see humans land on the moon by 2024. I break down my thoughts and observations coming out of the meeting. This episode of Main Engine Cut Off is brought to you by 38 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, Lars and six anonymous—and 235 other supporters on Patreon. Fifth Meeting of the National Space Council - YouTube Remarks by Vice President Pence at the Fifth Meeting of the National Space Council | Huntsville, AL | The White House Pence calls for human return to the moon by 2024 - SpaceNews.com Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocke

Caleb Henry of SpaceNews joins me live in studio to talk about his trip to Kourou for the first OneWeb launch, more affordable antennas, the current spectrum wars, and more from the world of satellites. This episode of Main Engine Cut Off is brought to you by 37 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, and six anonymous—and 230 other supporters on Patreon. Caleb Henry (@CHenry_SN) | Twitter Caleb Henry, Author at SpaceNews.com OneWeb's first six satellites in orbit following Soyuz launch - SpaceNews.com Caleb Henry on Twitter: “Just realized Twitter clipped the video BEFORE you can see Soyuz. Here is the actual video.” Average revenue per user (ARPU) Wyler claims breakthrough in low-cost antenna for OneWeb, other satellite systems - SpaceNews.com C-Band Alliance plan would require 5G networks to pa

Eric Berger of Ars Technica joins me to talk about the latest in SLS Hot Drama: the 2020 budget request and a Bridenstine appearance in the Senate that might just go down in history. This week, NASA has proposed flying the three prime missions of SLS on commercial vehicles, setting the stage for an interesting few months of politics and engineering, and introducing some serious questions about the future of SLS. This episode of Main Engine Cut Off is brought to you by 37 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, Rui, Julian, and six anonymous—and 229 other supporters on Patreon. Eric Berger (@SciGuySpace) | Twitter Eric Berger | Ars Technica New White House budget spells trouble for NASA’s SLS rocket | Ars Technica NASA to consider use of private rockets for first Orion lunar mission | Ars Technica MARS WARS: Th

This month, we talk the GEO slowdown, the LEO boom, and as always, take on some fun launch vehicle questions. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 223 other supporters on Patreon. Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy shirts and Rocket Socks from the Main Engine Cut Off Shop Support Main Engine Cut Off on Patreon Music by Max Justus

Firefly Aerospace is taking over Space Launch Complex 20, President Trump signed Space Policy Directive-4, and NASA is looking to buy more Soyuz seats, even though they always say it’s too late to do that. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 220 other supporters on Patreon. Resurrected Firefly Aerospace will take over a launch site at busy Florida spaceport - The Verge Text of Space Policy Directive-4: Establishment of the United States Space Force | The White House Space Policy Directive-4 - Main Engine Cut Off NASA Looking to Buy Two More Soyuz Seats, Even Though They Always Say It’s Too Late to Do That - Main Engine Cut Off Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follow @WeHaveMECO List

A tale of politics, protests, and contracts tells the story of how SpaceX is in transition—and maybe has already transitioned—from a scrappy upstart to an established launch provider. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 219 other supporters on Patreon. California Space Mafia Needles the Air Force - Main Engine Cut Off Lawmakers: Air Force launch procurement strategy undermines SpaceX - SpaceNews.com SpaceX Protests Lucy Launch Contract - Main Engine Cut Off SpaceX protests NASA launch contract award - SpaceNews.com Air Force Awards EELV Phase-1A-6 Contracts - Main Engine Cut Off U.S. Department of Defense Contracts for February 19, 2019 Project Announcement: Evaluation of the U.S. Air Force's Certification of the SpaceX Falco

ABL Space Systems announced some changes to RS1, Blue Origin broke ground in Huntsville and signed a new customer, and SpaceX has been making steady progress on Starship. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 218 other supporters on Patreon. ABL Space Systems increases performance and cuts price of its small launch vehicle - SpaceNews.com Blue Origin breaks ground for BE-4 factory - SpaceNews.com Blue Origin’s Powerful New Glenn Rocket to Launch Telesat’s Advanced Global LEO Satellite Constellation | Telesat Telesat signs New Glenn multi-launch agreement with Blue Origin for LEO missions - SpaceNews.com New Raptor Fires Up - Main Engine Cut Off Elon Musk on Twitter: “Design requires at least 170 metric tons of force. Engine rea

We cover a lot of ground in this round of questions, nearly all focused on the future—ISS crew scheduling, ISS facilities, ISRO human spaceflight, science missions, and launch vehicles. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 221 other supporters on Patreon. Email your thoughts, comments, and questions to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy shirts and Rocket Socks from the Main Engine Cut Off Shop Support Main Engine Cut Off on Patreon Music by Max Justus

I wanted to spend some time breaking down a few news items from last week that may be leading indicators of trends for 2019: layoffs at Stratolaunch, Tethers Unlimited, and SpaceX, and Relativity signed a lease for Launch Complex 16 at Cape Canaveral. This episode of Main Engine Cut Off is brought to you by 35 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, Frank, and six anonymous—and 216 other supporters on Patreon. Stratolaunch space venture cuts back sharply on operations – GeekWire Tethers Unlimited lays off 20 percent of staff due to NASA shutdown – GeekWire SpaceX laying off 10 percent of its workforce - SpaceNews.com In blow to Los Angeles, SpaceX is moving some Mars spaceship and booster work to Texas - Los Angeles Times Relativity to Operate Cape Canaveral Launch Complex 16 - Main Engine Cut Off Email your thoughts

Chris Gebhardt of NASASpaceflight joins me to talk all things SpaceX: Starship and its upcoming hopper tests, DM-1 and the government shutdown, and more. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, and six anonymous—and 213 other supporters on Patreon. Chris G - NSF (@ChrisG_NSF) | Twitter NASASpaceFlight.com SpaceX gearing up for Starship tests at Boca Chica – NASASpaceFlight.com Falcon 9 with Dragon 2 rolls out for DM-1 dry dress rehearsal at 39A – NASASpaceFlight.com Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy sh

This month I tackle questions on future space architectures, companies working in space right now, and finish with a 2018 Top 10 ranking. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, and six anonymous—and 208 other supporters on Patreon. Episode T+82: Jon Goff, Altius Space Machines - Main Engine Cut Off Neumann Space - Connecting humanity to the stars Neumann Space Exec on a New Potential Use for Orbital Debris - Via Satellite Tethers Unlimited Home Page Vulcan-Centaur Performance Figures Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Of

Jonathan McDowell joins me to talk about his recent paper proposing 80 kilometers, rather than 100, as a more appropriate boundary of the edge of space. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Tim Dodd the Everyday Astronaut, and six anonymous—and 205 other supporters on Patreon. Jonathan’s Space Home Page Jonathan McDowell (@planet4589) | Twitter The edge of space: Revisiting the Karman Line - ScienceDirect Jonathan’s Space Report Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy shirts and Rocket Socks from the Main Engine Cut Off Shop Support Main

Jake Robins of WeMartians joins me to talk InSight, Mars EDL, and Mars 2020. This episode of Main Engine Cut Off is brought to you by 33 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, and six anonymous—and 203 other supporters on Patreon. Jake Robins (@JakeOnOrbit) | Twitter WeMartians Podcast 51 - Entry, Descent, and Landing - WeMartians Podcast 47 - Recovering Opportunity (feat. Mike Seibert) - WeMartians Podcast 52 - Comin' up Jezero (feat. Tim Goudge) - WeMartians Podcast Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere Subscribe to the Main Engine Cut Off Newsletter Buy shirts and Rocket Socks from the Main Engine Cut Off Shop Support Main Engine Cut Off on Pat

NASA announced the nine companies that will be competing for Commercial Lunar Payload Services missions. I share some thoughts on the program overall, and discuss what we know about each company. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, and seven anonymous—and 200 other supporters on Patreon. NASA Announces New Partnerships for Commercial Lunar Payload Delivery | NASA Draft Concepts for Commercial Lunar Landers | NASA Deep Space Systems Aerospace Engineering NASA Homepage | Draper Firefly Aerospace Moon Express | Redefining Possible ORBITBeyond Home | Astrobotic intuitivemachines Masten Space Systems Lockheed Martin Corporation | Lockheed Martin Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe

This month for Q&A, we try to figure out what the hell is up with DM-1, hit a few questions about launch, and talk through a few space development topics. This episode of Main Engine Cut Off is brought to you by 33 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and seven anonymous—and 201 other supporters on Patreon. NASA program to send astronauts to space station facing more delays Secret Rocket Company Could Bring Jobs, Investment To Space Coast - Space - 90.7 WMFE PLD Space, after ESA input, doubles lift capacity of smallsat launcher - SpaceNews.com New Glenn Payload User’s Guide via NASASpaceflight Forums 50 - The Journey to Mars is Hyperbolic (feat. Mark Wallace) - WeMartians Podcast Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Over

As I was recording yesterday’s show about Starlink, SpaceX filed an application with the FCC for some changes to the Starlink plan. I read through the report and it confirms some of what I talked about yesterday, so thought it was worth an update. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 195 other supporters on Patreon. Episode T+100: Midterms, and a Thought on Starlink - Main Engine Cut Off Application for Fixed Satellite Service by Space Exploration Holdings, LLC SAT-MOD-20181108-00083 Attachment A: Technical Information To Supplement Schedule S (PDF, 5 MB) Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Listen to MECO Headlines Join the Off-Nominal Discord Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitc

I share some space-focused takeaways from the US midterm elections and a thought that I had about recent Starlink reports. This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, and eight anonymous—and 194 other supporters on Patreon. Midterms and Space - Main Engine Cut Off What the 2018 midterms mean for NASA and planetary science | The Planetary Society Culberson loses as Democrats win House; Nelson losing Senate reelection - SpaceNews.com Musk shakes up SpaceX in race to make satellite launch window: sources | Reuters SpaceX seeks $750 million leveraged loan | Reuters SpaceX circulates price guidance on $750 million term loan | Reuters TMF Associates blog — Fake it till you make it? Low Earth Orbit Visualization | LeoLabs Email your thoughts and comments to anthony@mainenginecutoff.com Follow @WeHaveMECO Li