I’m Anthony Colangelo.

I host Main Engine Cut Off and Off-Nominal.

Formerly: Quirks & Compulsions and The Multilogue.

Episode 85 - The Highest I’ve Been


Mat Kaplan, host of Planetary Radio for The Planetary Society, joins Jake and Anthony to talk about the 20th anniversary of the show, his upcoming retirement, and what it’s been like to cover space in this way for all those years.

Episode 83 - Bubba the Rocket Scientist


Photographer Roland Miller returns to the show to talk to Jake and Anthony about his newest book, The Space Shuttle: A Mission-by-Mission Celebration of NASA's Extraordinary Spaceflight Program, out next week.

Episode T+234: Scott “Kidd” Poteet, Sarah Gillis, and Anna Menon of Polaris Dawn

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The crew of Polaris Dawn—Scott “Kidd” Poteet, Sarah Gillis, and Anna Menon—join me to talk about the mission and its operations, their preparation and training so far, how their roles on past missions play into their role on this one, what they are learning and bringing back to their day-to-day roles, and what they’re excited about as they get ready to fly next year.

Episode T+233: Jared Isaacman, Polaris Program

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Jared Isaacman of the Polaris Program joins me to talk about how the program began, how it’s envisioned, how they choose what to take on and solve, how they interact with SpaceX, and why he’s chosen to contribute to spaceflight in this way.

Episode 81 - Foot Bits


Elizabeth Howell of Space.com joins Jake and Anthony to talk about her new book, Why Am I Taller, with astronaut Dave Williams.