

Main Engine Cut Off
Anthony Colangelo
MECO is opinion and analysis of spaceflight, exploration, policy, and strategy, by Anthony Colangelo.
Episodes
Mentioned books

Apr 8, 2019 • 24min
T+118: Rapid Agile Launch Initiative
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
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Music by Max Justus

Apr 2, 2019 • 28min
T+117: Q&A
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
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Music by Max Justus

Mar 28, 2019 • 22min
T+116: On the Moon by 2024
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
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Music by Max Justus

Mar 18, 2019 • 47min
T+115: Caleb Henry
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 pay for eight new satellites - SpaceNews.com
5G trumps weather in spectrum debate - SpaceNews.com
Satellite antenna companies divided on near-term feasibility of cheap flat panels - SpaceNews.com
Email your thoughts, comments, and questions to anthony@mainenginecutoff.com
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Join the Off-Nominal Discord
Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere
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Music by Max Justus

Mar 13, 2019 • 47min
T+114: EM-1 Hot Drama with Eric Berger
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: The Rise and Fall of the Space Exploration Initiative.: Thor Hogan.: Amazon.com: Books
SpaceX completes a historic mission, crew flight possible later in 2019 | Ars Technica
Email your thoughts, comments, and questions to anthony@mainenginecutoff.com
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Join the Off-Nominal Discord
Subscribe on Apple Podcasts, Overcast, Pocket Casts, Spotify, Google Play, Stitcher, TuneIn or elsewhere
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Buy shirts and Rocket Socks from the Main Engine Cut Off Shop
Support Main Engine Cut Off on Patreon
Music by Max Justus

Mar 1, 2019 • 32min
T+113: Q&A
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

Feb 27, 2019 • 15min
T+112: SLC-20, SPD-4, and a Soyuz Soapbox
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
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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

Feb 21, 2019 • 31min
T+111: SpaceX, the Established Launch Provider
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 Falcon Launch Vehicle Family > Department of Defense Office of Inspector General
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

Feb 11, 2019 • 22min
T+110: Starship, New Glenn, and RS1 Updates
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 reached 172 mT & 257 bar chamber pressure with warm propellant, which means 10% to 20% more with deep cryo.”
Email your thoughts, comments, and questions to anthony@mainenginecutoff.com
Follow @WeHaveMECO
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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

Feb 2, 2019 • 40min
T+109: Q&A
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