Anthony Colangelo
Main Engine Cut Off
MECO is opinion and analysis of spaceflight, exploration, policy, and strategy, by Anthony Colangelo.
Author
Anthony Colangelo
Category
Podcast website
Latest episode
Jul 2, 2026
Where to listen?
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Episodes
T+111: SpaceX, the Established Launch Provider 21.02.2019 30:33
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,...
T+110: Starship, New Glenn, and RS1 Updates 11.02.2019 22:22
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...
T+109: Q&A 02.02.2019 39:38
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,...
T+108: Layoffs and Launch Sites 21.01.2019 28:14
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...
T+107: Chris Gebhardt 15.01.2019 58:29
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, Min...
T+106: Q&A 01.01.2019 42:59
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,...
T+105: Jonathan McDowell 29.12.2018 35:00
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,...
T+104: Jake Robins 11.12.2018 28:02
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 . Ja...
T+103: Commercial Lunar Payload Services 04.12.2018 32:46
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, J...
T+102: November Q&A 30.11.2018 41:47
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,...
T+101: Starlink Addendum 09.11.2018 8:58
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,...
T+100: Midterms, and a Thought on Starlink 08.11.2018 24:14
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—...
T+99: October Q&A 01.11.2018 40:33
This month, I take on questions about small launch, future space ventures, and the Boeing/SLS saga/drama. 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 191 other supp...
T+98: Gateway Logistics Services 26.10.2018 27:28
NASA released a request for information this week about cargo services to the Gateway —big news for the future of NASA and the Gateway. I break down the technical and non-technical bits of that announcement, as well as some updates on Space Force and the Soyuz situation . This episode of Main Engine Cut Off is brought to you by 34 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Na...
T+97: SLS OIG Report, Air Force LSA Awards 15.10.2018 25:37
I share some thoughts on the two rocket drama stories from last week: a brutal OIG report on Boeing’s work on SLS stages, and the Air Force selected three new launch vehicles to receive development funding . 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, Joh...
T+96: Blue Origin & Harris 10.10.2018 15:55
Blue Origin and Harris announced an interesting partnership last week that’s worth discussing: Harris will be producing 5-meter fixed mesh reflector antennas that can only fit (for now) inside of New Glenn’s big fairing. 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,...
T+95: September Q&A 01.10.2018 36:26
This month, I take on questions about BE-4 and Vulcan, small launch, BFR, and human spaceflight. This episode of Main Engine Cut Off is brought to you by 36 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel, Jan, David, Grant, Barbara, Mike, David, Mints, Joonas, and eight anonymous—and 187 oth...
T+94: #dearMoon 24.09.2018 19:54
Some thoughts on the #dearMoon project , SpaceX’s announcement , and the essence of SpaceX’s strategy—bringing us along for the ride. This episode of Main Engine Cut Off is brought to you by 36 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel, Jan, David, Grant, Barbara, Mike, David, Mints, Jo...
T+93: NASA Goddard and Restore-L 13.09.2018 30:13
Pat O. and I took a trip down to NASA Goddard to explore all that’s going on there. We talk a bit about our visit, what we saw and learned, and we talk with Brent Robertson , project manager of Restore-L , NASA’s satellite servicing mission. This episode of Main Engine Cut Off is brought to you by 36 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper...
T+92: Marcia Smith 04.09.2018 30:04
Marcia Smith of Space Policy Online joins me to talk about the recent meetings of the NASA Advisory Council , the status of Commercial Crew, Space Force, and more space policy goodness. This episode of Main Engine Cut Off is brought to you by 36 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel...
T+91: August Q&A 01.09.2018 25:00
The first official MECO Q&A! I answer questions from listeners about any and all things space—mostly. (PS: Start sending me your questions for September’s Q&A episode!) This episode of Main Engine Cut Off is brought to you by 36 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob, Russell, John, Moritz, Tyler, Joel, Jan, Da...
T+90: Andrew Jones 30.08.2018 37:31
Andrew Jones joins me to talk all things Chinese spaceflight— exploration , policy, industry , and more. 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, Tyler, Joel, Jan, David, Grant, Barbara, Stan, Mike, David, Mints, Joonas, and eight anonymo...
T+89: Lockheed’s Small Sat Strategy, NASA Tipping Points Contracts 13.08.2018 26:12
Lockheed Martin has been slowly revealing their small sat strategy over the last three years, and it’s shaping up to be quite interesting and potentially very compelling. And NASA announced 10 Tipping Point awards last week , which include some very interesting projects from Blue Origin, ULA, and Astrobotic. This episode of Main Engine Cut Off is brought to you by 37 executive producers—Kris, Pat,...
T+88: CubeRover, Michael Provenzano and Andrew Horchler 30.07.2018 49:17
Michael Provenzano and Andrew Horchler of CubeRover and Astrobotic join me to talk about the project, the rover itself, and the future of robotic exploration on the Moon (and beyond). 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, Brian, Russell, John, Moritz, Tyler,...
T+87: Rocket Lab Launch Complex 2 18.07.2018 21:30
Rocket Lab announced that they’re in the final selection stage of their search for a US launch site. I break down the options they have, and discuss why I think they’ll pick Wallops Island. 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, Brian, Russell, John, Moritz,...
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