Anthony Colangelo

Main Engine Cut Off

Science EN ↓ 337 episodes

MECO is opinion and analysis of spaceflight, exploration, policy, and strategy, by Anthony Colangelo.

Author

Anthony Colangelo

Category

Science

Podcast website

mainenginecutoff.com

Latest episode

Jul 2, 2026

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Episodes

T+136: Starship to GTO, SSO from Florida 12.10.2019

A few bits of follow-up on Starship to GTO , the Bridenstine-Musk show at SpaceX HQ , and flying to polar orbits from Florida . Meetup alert! Sunday, October 20, 2019 in Washington, DC. Hang out with me, Jake, and a ton of amazing people of space the night before IAC 2019 kicks off. Details at events.offnominal.space . This episode of Main Engine Cut Off is brought to you by 39 executive producers...

T+135: Jake Robins on Starship 08.10.2019

Jake Robins , host of WeMartians and my co-host on Off-Nominal , joins me for Part 2 of our conversation about SpaceX’s 2019 Starship update . Part 1 can be found over on WeMartians . Meetup alert! Sunday, October 20, 2019 in Washington, DC. Hang out with me, Jake, and a ton of amazing people of space the night before IAC 2019 kicks off. Details at events.offnominal.space . This episode of Main En...

T+134: Headlines (with news on Orion, NEOCam, and more) 27.09.2019

I’ve got a special preview of MECO Headlines for the main feed this week, with news on Orion, NASA’s FY2020 budget, NEOCam’s legacy, Starship, and more. This episode of Main Engine Cut Off is brought to you by 39 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Nadim, Peter, Donald, Lee, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David, Mints, Joonas, Robb, Ti...

T+133: Kurt Klaus on CLPS 17.09.2019

Kurt Klaus , Chair of the Lunar Exploration Analysis Group’s Commercial Advisory Board , joins me to talk about NASA’s Commercial Lunar Payload Services program, and the wider potential for commercial flights to the Moon and beyond. This episode of Main Engine Cut Off is brought to you by 39 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Nadim, Peter, Donald, Lee, Chris, Warren, Bob, Russ...

T+132: SpaceX SmallSat Updates 12.09.2019

SpaceX updated their SmallSat launch offering —dropping the price and increasing the number of flights. It certainly looks like they’ll be a force to be reckoned with in the small launch market. This episode of Main Engine Cut Off is brought to you by 39 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Nadim, Peter, Donald, Lee, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, G...

T+131: Andrew Rush, CEO of Made in Space 31.08.2019

Andrew Rush, CEO of Made in Space , joins me to talk about their big new NASA contract for Archinaut One and the history, present, and future of in-space manufacturing. This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, David...

T+130: SmallSat Launch Roundup 14.08.2019

SmallSat was last week which meant a flurry of announcements. This year was launch heavy, so I break down some announcements from SpaceX , Arianespace , and Rocket Lab . This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Chris, Warren, Bob, Russell, John, Moritz, Joel, Jan, David, Grant, Mike, Davi...

T+129: Steve Altemus and Dr. Tim Crain, Intuitive Machines 05.08.2019

Steve Altemus, President & CEO, and Dr. Tim Crain, VP of Research & Development, from Intuitive Machines join me to talk about their Nova-C lander, the Commercial Lunar Payload Services program, and their task order from NASA for a landing on the Moon in July, 2021. This episode of Main Engine Cut Off is brought to you by 41 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison,...

T+128: NASA Shuffles CLPS, Partners on Blue Moon and Starship 02.08.2019

NASA terminated OrbitBeyond’s CLPS task order , opened CLPS up to more providers , and announced exciting partnerships with Blue Origin, SpaceX, and others. This episode of Main Engine Cut Off is brought to you by 41 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, Mi...

T+127: Gateway Habitat, Starhopper, and ABL Space Systems 28.07.2019

I share some thoughts on three important stories from this week: NASA quietly announced their intention to sole source the Gateway habitat to Northrop Grumman, Starhopper made its first flight , and Lockheed Martin invested in ABL Space Systems . This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, J...

T+126: The NASA Ousters 18.07.2019

Two top NASA human exploration leaders—Bill Gerstenmaier and Bill Hill— have been ousted from their positions. I break down what this means for NASA and its plans, where things could go from here, and ponder whether these changes really matter. 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, Jas...

T+125: Andrew Jones 03.07.2019

Andrew Jones returns to the show to update us on China’s various efforts. We talk Chang’e-4 and Yutu-2 , the mysterious Long March 5 delay , and what the future of Chinese launch may look like. 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, Joe...

T+124: Gateway Logistics Services, FY2020 NDAA, and Small GEO Satellites 20.06.2019

NASA put out a draft RFP for Gateway Logistic Services , the House Armed Services’ Committee weighs in on the US Air Force launch contracting drama , and a new company building small geostationary satellites has emerged. This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Lee, Jasper, Chris, Warren, Bob,...

T+123: The Noosphere of Influence 10.06.2019

NASA made a series of announcements about their ISS commercialization effort and the first Commercial Lunar Payload Services missions , and Firefly unveiled their Orbital Transfer Vehicle . And there’s a really interesting connection between all three stories. This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter,...

T+122: National Security SpaceX Lawsuit 28.05.2019

NSSL, LSA, OMG! Last week, SpaceX filed a lawsuit against the US Air Force over the Launch Service Agreement development contracts. We’re mere months away from bids being due for the National Security Space Launch Phase 2 launch contracts , so I figured now would be a good time to take a step back to explain what these programs are, why they matter, and why SpaceX is filing this lawsuit at this mo...

T+121: Artemis, Blue Moon, Starship, and Politics 17.05.2019

NASA and the White House released a summary of the FY2020 budget amendment this week , alongside the new name: Project Artemis . I talk through some political fallout, what the future may hold, and the chaos elements that are Blue Moon and Starship . This episode of Main Engine Cut Off is brought to you by 40 executive producers—Kris, Pat, Matt, Jorge, Brad, Ryan, Jamison, Nadim, Peter, Donald, Le...

T+120: Dr. Mike Baine, Axiom Space 07.05.2019

Dr. Mike Baine, Chief Engineer of Axiom Space , joins us to talk through Axiom’s plans for commercial low Earth orbit space stations. This episode of Main Engine Cut Off is brought to you by 40 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...

T+119: Dr. John Charles 18.04.2019

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...

T+118: Rapid Agile Launch Initiative 08.04.2019

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...

T+117: Q&A 02.04.2019

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,...

T+116: On the Moon by 2024 28.03.2019

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, Rus...

T+115: Caleb Henry 18.03.2019

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,...

T+114: EM-1 Hot Drama with Eric Berger 13.03.2019

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...

T+113: Q&A 01.03.2019

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 Astron...

T+112: SLC-20, SPD-4, and a Soyuz Soapbox 27.02.2019

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, Jo...

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