PodcastScienzeMain Engine Cut Off

Main Engine Cut Off

Anthony Colangelo
Main Engine Cut Off
Ultimo episodio

329 episodi

  • Main Engine Cut Off

    T+328: Pam Melroy, Former NASA Deputy Administrator and Space Shuttle Commander

    09/04/2026 | 52 min
    Pam Melroy, Former NASA Deputy Administrator, Space Shuttle Commander, and three-time Shuttle astronaut, joins me to talk about space policy past, present, and future. We talk about the most critical decisions and moments during her time as Deputy Administrator under Administrator Bill Nelson, and her thoughts on the Isaacman-era space policy from Ignition to Commercial LEO, and what to do about Mars Sample Return.

    This episode of Main Engine Cut Off is brought to you by 32 executive producers—Steve, Lee, Russell, Stealth Julian, Warren, Miles O’Brien, Josh from Impulse, Joel, David, Natasha Tsakos, Joakim, Will and Lars from Agile, Frank, Better Every Day Studios, Tim Dodd (the Everyday Astronaut!), Donald, The Astrogators at SEE, Jan, Joonas, Pat, Matt, Kris, Fred, Theo and Violet, Ryan, and four anonymous—and hundreds of supporters.

    Topics

    Pamela Melroy (@Astro_Pam) / X

    NASA Statement on Nomination of Pam Melroy for Agency Deputy Administrator - NASA

    Pam Melroy Sworn in as NASA Deputy Administrator - NASA

    As Artemis Moves Forward, NASA Picks SpaceX to Land Next Americans on Moon - NASA

    NASA Selects Blue Origin as Second Artemis Lunar Lander Provider - NASA

    NASA Selects Companies to Develop Commercial Destinations in Space - NASA

    Op-ed: NASA’s New CLD Strategy Will Lose Mars, LEO to China

    NASA Sets Path to Return Mars Samples, Seeks Innovative Designs - NASA

    NASA to Explore Two Landing Options for Returning Samples from Mars - NASA

    The Show

    Like the show? Support the show on Patreon or Substack!

    Email your thoughts, comments, and questions to [email protected]

    Follow @WeHaveMECO

    Follow @[email protected] on Mastodon

    Listen to MECO Headlines

    Listen to Off-Nominal

    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

    Artwork photo by NASA/Bill Ingalls

    Work with me and my design and development agency: Pine Works
  • Main Engine Cut Off

    T+327: Artemis II, the Lunar Flyby Edition (with Paul Fjeld)

    07/04/2026 | 1 h 22 min
    Artemis II completed their lunar flyby yesterday, and it was epic on all levels. Paul Fjeld and I discuss that and many other topics related to Artemis, Apollo, and human spaceflight.

    This episode of Main Engine Cut Off is brought to you by 32 executive producers—Ryan, Tim Dodd (the Everyday Astronaut!), Will and Lars from Agile, David, Better Every Day Studios, Kris, Stealth Julian, Joonas, Russell, Warren, Jan, Natasha Tsakos, Steve, Pat, The Astrogators at SEE, Fred, Donald, Miles O’Brien, Matt, Josh from Impulse, Frank, Lee, Joakim, Joel, Theo and Violet, and four anonymous—and hundreds of supporters.

    Topics

    Space Art by Paul Fjeld

    NASA’s Artemis II Crew Flies Around the Moon (Official Broadcast) - YouTube

    Artemis II Multimedia: Crew Photos, Videos and Mission Highlights

    NASA's Moon ship and rocket seem to be working well, so what about the landers? - Ars Technica

    T+58: Totality - Main Engine Cut Off

    The Show

    Like the show? Support the show on Patreon or Substack!

    Email your thoughts, comments, and questions to [email protected]

    Follow @WeHaveMECO

    Follow @[email protected] on Mastodon

    Listen to MECO Headlines

    Listen to Off-Nominal

    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

    Artwork photo by NASA/Bill Ingalls

    Work with me and my design and development agency: Pine Works
  • Main Engine Cut Off

    T+326: Artemis II Underway

    02/04/2026 | 13 min
    Artemis II is underway with a spectacular first day.

    This episode of Main Engine Cut Off is brought to you by 32 executive producers—Donald, Matt, David, Joel, Frank, Better Every Day Studios, Natasha Tsakos, Tim Dodd (the Everyday Astronaut!), Lee, Fred, Will and Lars from Agile, Ryan, Warren, The Astrogators at SEE, Pat, Joakim, Miles O’Brien, Steve, Jan, Stealth Julian, Kris, Theo and Violet, Russell, Josh from Impulse, Joonas, and four anonymous—and hundreds of supporters.

    Topics

    NASA's Artemis II Live Mission Coverage (Official Broadcast) - YouTube

    Artemis II Flight Update: Perigee Raise Maneuver Complete; NASA to Hold Press Conference

    Artemis II Flight Update: Apogee Raise Burn Complete, Crew Looks Ahead to Proximity Operations

    Artemis II Flight Update: Proximity Operations Complete, Perigee Raise Burn Up Next

    Artemis II Flight Update: Crew and Ground Teams Successfully Troubleshoot Orion’s Toilet

    Artemis II Flight Update: Perigee Raise Burn Complete

    The Show

    Like the show? Support the show on Patreon or Substack!

    Email your thoughts, comments, and questions to [email protected]

    Follow @WeHaveMECO

    Follow @[email protected] on Mastodon

    Listen to MECO Headlines

    Listen to Off-Nominal

    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

    Artwork photo by NASA/Bill Ingalls

    Work with me and my design and development agency: Pine Works
  • Main Engine Cut Off

    T+325: Ignition

    31/03/2026 | 35 min
    There was a lot of news in NASA’s Ignition event last week, and I break down what actually matters: not whether Jared Isaacman’s timelines are realistic, but how this new roadmap strips away architectural dependencies and forces the real bottlenecks into the open. I talk through Gateway’s cancellation, the possible path away from SLS and ICPS, what this means for lunar landers and international partners, and why NASA’s new philosophy feels so different from the past.

    This episode of Main Engine Cut Off is brought to you by 32 executive producers—Steve, Joel, Kris, Josh from Impulse, Will and Lars from Agile, Warren, Natasha Tsakos, Tim Dodd (the Everyday Astronaut!), Lee, Joonas, Better Every Day Studios, Russell, Fred, David, Donald, Frank, Miles O’Brien, Jan, Joakim, The Astrogators at SEE, Stealth Julian, Theo and Violet, Matt, Pat, Ryan, and four anonymous—and hundreds of supporters.

    Topics

    Ignition - NASA

    Ignition: NASA's Plan for The Moon - YouTube

    Ignition: NASA's Plan for Science and Discovery - YouTube

    Ignition: NASA News Conference (March 24, 2026) - YouTube

    NASA kills lunar space station to focus on ambitious Moon base - Ars Technica

    We got an audience with the "Lunar Viceroy" to talk how NASA will build a Moon base - Ars Technica

    Cavossa: CLD Companies Want Stability, Not a New Plan – SpacePolicyOnline.com

    With Artemis Changes, Europe is Left Holding the Bag

    The Show

    Like the show? Support the show on Patreon or Substack!

    Email your thoughts, comments, and questions to [email protected]

    Follow @WeHaveMECO

    Follow @[email protected] on Mastodon

    Listen to MECO Headlines

    Listen to Off-Nominal

    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

    Artwork photo by NASA/John Kraus

    Work with me and my design and development agency: Pine Works
  • Main Engine Cut Off

    T+324: Impulse Space (with Tom Mueller, Founder and CEO)

    17/03/2026 | 40 min
    Tom Mueller, Founder and CEO of Impulse Space, joins me to catch up on the company’s progress and plans—3 Mira missions flown, Helios soon to fly, $525M raised, new defense contracts, a lunar lander concept, and a new Colorado facility.

    This episode of Main Engine Cut Off is brought to you by 33 executive producers—Joel, Tim Dodd (the Everyday Astronaut!), Warren, Steve, Ryan, Will and Lars from Agile, Natasha Tsakos, Russell, Joakim, Theo and Violet, The Astrogators at SEE, Matt, Lee, Donald, Heiko, Better Every Day Studios, Josh from Impulse, Miles O’Brien, Stealth Julian, David, Joonas, Kris, Frank, Jan, Fred, Pat, and four anonymous—and hundreds of supporters.

    Topics

    Impulse Space

    Careers - Impulse Space

    Tom Mueller (@lrocket) / X

    Inside Impulse’s New Colorado Facility

    Impulse Space Secures $300 Million Series C to Accelerate the Future of In-Space Mobility

    Starfish Space Completes Autonomous Rendezvous and Proximity Mission in LEO with Impulse Space

    To the Moon (and Beyond): How Impulse Can Deliver More Mass to the Lunar Surface ​​​​‌‍​‍​‍‌‍‌​‍‌‍‍‌‌‍‌‌‍‍‌‌‍‍​‍​‍​‍‍​‍​‍‌​‌‍​‌‌‍‍‌‍‍‌‌‌​‌‍‌​‍‍‌‍‍‌‌‍​‍​‍​‍​​‍​‍‌‍‍​‌​‍‌‍‌‌‌‍‌‍​‍​‍​‍‍​‍​‍​‍‌​‌‌​‌‌‌‌‍‌​‌‍‍‌‌‍​‍‌‍‍‌‌‍‍‌‌​‌‍‌‌‌‍‍‌‌​​‍‌‍‌‌‌‍‌​‌‍‍‌‌‌​​‍‌‍‌‌‍‌‍‌​‌‍‌‌​‌‌​​‌​‍‌‍‌‌‌​‌‍‌‌‌‍‍‌‌​‌‍​‌‌‌​‌‍‍‌‌‍‌‍‍​‍‌‍‍‌‌‍‌​​‌​​​‌‍‌‌‌‍‌‍​‌‍​‌‌​​‌​‍‌​​​​‍‌‌‍​‌‍‌‍​‍​‌‍‌​​‍‌​‌​​‌‍​​‌​‍‌​‍‌​‍​‌‍‌‌​‍​‌‍​‍​‍‌‌‍​‍‌‍‌‍​‌​​‍‌​‍​​​‍​‌‌‍​‌​​‍‌‍​‌‍‌‌​‌​‍‌‌​‌‍‌‌​​‌‍‌‌​‌‌‌‌‌​​‌‍‌​‌‍​‌‌‌​‌‍‌‌​‍‌​​‌‍​‌‌‌​‌‍‍​​‌‌‌​‌‍‍‌‌‌​‌‍​‌‍‌‌​‌‍​‍‌‍​‌‌​‌‍‌‌‌‌‌‌‌​‍‌‍​​‌​‍‌‌​​‍‌​‌‍‌​‌‌​‌‌‌‌‍‌​‌‍‍‌‌‍​‍‌‍‌‍‍‌‌‍‌​​‌​​​‌‍‌‌‌‍‌‍​‌‍​‌‌​​‌​‍‌​​​​‍‌‌‍​‌‍‌‍​‍​‌‍‌​​‍‌​‌​​‌‍​​‌​‍‌​‍‌​‍​‌‍‌‌​‍​‌‍​‍​‍‌‌‍​‍‌‍‌‍​‌​​‍‌​‍​​​‍​‌‌‍​‌​​‍‌‍​‌‍‌‌​‌​‍‌‍‌‌​‌‍‌‌​​‌‍‌‌​‌‌‌‌‌​​‌‍‌​‌‍​‌‌‌​‌‍‌‌​‍‌‍‌​​‌‍​‌‌‌​‌‍‍​​‌‌‌​‌‍‍‌‌‌​‌‍​‌‍‌‌​‍​‍‌‌

    Introducing the Upgraded Mira: Bringing In-Space Mobility to GEO and Beyond

    The Show

    Like the show? Support the show on Patreon or Substack!

    Email your thoughts, comments, and questions to [email protected]

    Follow @WeHaveMECO

    Follow @[email protected] on Mastodon

    Listen to MECO Headlines

    Listen to Off-Nominal

    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

    Artwork photo by NASA/John Kraus

    Work with me and my design and development agency: Pine Works

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Su Main Engine Cut Off

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