Main Engine Cut Off Podcast
1) T+290: Jared Isaacman Nominated NASA Administrator
Jared Isaacman, the man with a private space program, has been nominated NASA Administrator, to run the nation’s space program.
2) T+323: The Artemis Roadmap Shakeup
NASA Administrator Jared Isaacman announced a sweeping roadmap change to the Artemis program this morning—seemingly cancelling the EUS, Gateway, and all SLS upgrades, and instead pursuing the once-and...Show More
3) T+322: SpaceX Acquires xAI as it Prepares for IPO, Blue Origin Cancels New Shepard, and Artemis II Delayed (with Loren Grush)
Loren Grush, of Bloomberg, joins me to talk about SpaceX’s acquisition of xAI, its preparation for a potential IPO, Blue Origin’s cancellation of New Shepard and their recent momentum, and the delay t...Show More
4) T+321: Artemis II, New Glenn’s First Reflight, Blue Origin’s TeraWave, and Tory Bruno’s Job Switch
Artemis II is on the pad, and I can’t stop thinking about it. So I guess listen to me think in the open? Also, a ton of Blue Origin news—the next flight of New Glenn will feature a flown booster, they...Show More
5) T+320: NASA’s FY2026 Budget, the Isaacman Era, and the Eve of Artemis II (with Casey Dreier)
Casey Dreier of The Planetary Society joins me to talk about the NASA FY2026 budget, the early days of the Administrator Isaacman era, and how we feel going into Artemis II.
6) T+319: Headlines, December 22, 2025
A holiday special! Enjoy this week’s episode of Headlines free. It’s an absolute monster episode—way longer than usual Headlines episodes, I promise—but it’s a great example of what you get when you s...Show More
7) T+318: General Chance Saltzman, Chief of Space Operations, United States Space Force
Yesterday, I had the chance to visit the Pentagon and sit down with General Chance Saltzman, Chief of Space Operations—the head of the United States Space Force. We talk about the service 6 years into...Show More
T+318: General Chance Saltzman, Chief of Space Operations, United States Space Force
49:05 | Dec 17th, 2025
8) T+317: Isaacman Renomination Hearing, Starliner Flights Cut, Starship at SLC-37, Zhuque-3 Almost Sticks the Landing, and More (with Stephen Clark)
Stephen Clark of Ars Technica joins me to talk about a ton of stories in the news—Jared Isaacman was back in front of Congress, a few Starliner flights have been cut from the ISS manifest, Starship re...Show More
9) T+316: New Glenn’s Second Launch, First Landing, and Upgrade Roadmap
Blue Origin is fresh off an incredible few weeks—a successful second launch and first landing of New Glenn, followed by an exciting unveil of upgrades to the vehicle, including an enormous new version...Show More
10) T+315: Autonomy in Space (with Simone D’Amico, DJ Bush, and Al Tadros)
Simone D’Amico of Stanford and EraDrive, DJ Bush of NVIDIA, and Al Tadros of Redwire join me to talk about autonomy in space, to get into the specific details of what they’re working on and how it com...Show More