What are the key takeaways from this This Week in Startups episode?

Key insights include: **Cryogenic propulsion advantage:** Orbital Operations uses liquid hydrogen and oxygen stored via active refrigeration systems in orbit, achieving 18,000 pounds of thrust versus electric propulsion's minimal force, enabling rapid satellite repositioning and faster transit through radiation belts for commercial and defense applications.; **Space tug economics:** Ferrying satellites from low Earth orbit to geosynchronous or lunar orbits costs $5-10 million per mission depending on payload weight, with vehicles designed as 80% propellant by mass and refueled using water electrolysis that splits into hydrogen and oxygen over 45-60 days.; **Capital efficiency path:** The company needs $150-200 million total to reach first operational vehicle by early 2027, positioning between traditional satellite costs and launch vehicle development expenses, with $1.4 billion in commercial letters of intent requiring eight vehicles to service annually at two-month refuel cycles.

What did Ben Schloinger discuss on This Week in Startups?

Orbital Operations CEO Ben Schloinger explains how his startup builds cryogenic space tugs using liquid hydrogen propulsion to move satellites between orbits, plus archive interviews with OpenAI's Greg Brockman and Robinhood's Vlad Tenev. Key topics include: **Cryogenic propulsion advantage:** Orbital Operations uses liquid hydrogen and oxygen stored via active refrigeration systems in orbit, achieving 18,000 pounds of thrust versus electric propulsion's minimal force, enabling rapid satellite repositioning and faster transit through radiation belts for commercial and defense applications.; **Space tug economics:** Ferrying satellites from low Earth orbit to geosynchronous or lunar orbits costs $5-10 million per mission depending on payload weight, with vehicles designed as 80% propellant by mass and refueled using water electrolysis that splits into hydrogen and oxygen over 45-60 days..

How long is this episode of This Week in Startups?

This episode is 73 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

This Week in Startups

Why We Need Ferries and Tugboats in Space w/ Orbital Operations | E2208

November 13, 2025

73 min episode · 2 min read

Ben Schloinger

Episode

73 min

Read time

2 min

Topics

Productivity, Startups, Fundraising & VC

AI-Generated Summary

Published Dec 25, 2025

Key Takeaways

✓Cryogenic propulsion advantage: Orbital Operations uses liquid hydrogen and oxygen stored via active refrigeration systems in orbit, achieving 18,000 pounds of thrust versus electric propulsion's minimal force, enabling rapid satellite repositioning and faster transit through radiation belts for commercial and defense applications.
✓Space tug economics: Ferrying satellites from low Earth orbit to geosynchronous or lunar orbits costs $5-10 million per mission depending on payload weight, with vehicles designed as 80% propellant by mass and refueled using water electrolysis that splits into hydrogen and oxygen over 45-60 days.
✓Capital efficiency path: The company needs $150-200 million total to reach first operational vehicle by early 2027, positioning between traditional satellite costs and launch vehicle development expenses, with $1.4 billion in commercial letters of intent requiring eight vehicles to service annually at two-month refuel cycles.
✓Defense market scale: Space defense spending including Golden Dome interceptors, missile tracking, and reconnaissance could reach hundreds of billions of dollars, with government contracts explicitly requiring dual-use commercialization plans rather than purely military applications, fundamentally changing startup funding dynamics in aerospace.
✓Product-market fit velocity: Robinhood achieved 10,000 waitlist signups in one day and 50,000 in one week with zero marketing spend by eliminating the $1,000+ customer acquisition costs traditional brokerages paid, growing organically through referral mechanics to reach 2 million users by 2017.

What It Covers

Orbital Operations CEO Ben Schloinger explains how his startup builds cryogenic space tugs using liquid hydrogen propulsion to move satellites between orbits, plus archive interviews with OpenAI's Greg Brockman and Robinhood's Vlad Tenev.

Key Questions Answered

•Cryogenic propulsion advantage: Orbital Operations uses liquid hydrogen and oxygen stored via active refrigeration systems in orbit, achieving 18,000 pounds of thrust versus electric propulsion's minimal force, enabling rapid satellite repositioning and faster transit through radiation belts for commercial and defense applications.
•Space tug economics: Ferrying satellites from low Earth orbit to geosynchronous or lunar orbits costs $5-10 million per mission depending on payload weight, with vehicles designed as 80% propellant by mass and refueled using water electrolysis that splits into hydrogen and oxygen over 45-60 days.
•Capital efficiency path: The company needs $150-200 million total to reach first operational vehicle by early 2027, positioning between traditional satellite costs and launch vehicle development expenses, with $1.4 billion in commercial letters of intent requiring eight vehicles to service annually at two-month refuel cycles.
•Defense market scale: Space defense spending including Golden Dome interceptors, missile tracking, and reconnaissance could reach hundreds of billions of dollars, with government contracts explicitly requiring dual-use commercialization plans rather than purely military applications, fundamentally changing startup funding dynamics in aerospace.
•Product-market fit velocity: Robinhood achieved 10,000 waitlist signups in one day and 50,000 in one week with zero marketing spend by eliminating the $1,000+ customer acquisition costs traditional brokerages paid, growing organically through referral mechanics to reach 2 million users by 2017.

Notable Moment

Orbital Operations will demonstrate the first extended storage of liquid hydrogen in orbit during their 2027 subscale mission, a historic milestone that proves cryogenic fuel management works in space, enabling reusable high-thrust vehicles that return to low Earth orbit for refueling rather than being disposable.

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Episode Transcript

Not only is it a a vehicle that's very efficient at transiting out in space as you as you mentioned, but also just cost efficiency wise. We've seen reuse be the play that that makes space more economical. Right? And so we're we're definitely looking to solve that. We are looking to be and maybe this is another thing with orbital operations, to be a tugboat, to be a tractor, to be a ferry, to be a rapid response vehicle. Most of our vehicle has to be propellant. We look a lot more like the third stage of a rocket than we do a traditional satellite. Like, we are bigger. What's the problem set that you're working against? So it's two, and I kinda mentioned it as well. One is space defense. It does seem like the the happy, peaceful humans working together at aerospace is kinda coming to a close. So really, it's just can you get up there and does your technology work? This Week in Startups is brought to you by LinkedIn ads. Start converting your b to b audience into high quality leads today. Launch your first campaign and get $250 free when you spend at least 250. Go to linkedin.com/ this week in start ups to claim your credit. Northwest registered agent. Starting your business should be simple. With Northwest registered agent, you can form your entire business identity in just 10 clicks and ten minutes. From LLCs to trademarks, domains to custom websites, they've got you covered. Get more privacy, more options, and more done. Visit northwestregisteragents.com/twist today. And Squarespace, turn your idea into a beautiful website. Go to squarespace.com/twist for a free trial. When you're ready to launch, use offer code twist to save 10% off your first purchase of a website or domain. Welcome back to this weekend startups friends. This is Alex, and we have an absolutely packed show for you today. We're gonna start with a twist 500 interview with Orbital Operations. It's a really cool company building space tugs. They have a way to keep fuel very cold in orbit. They wanna take satellites over to the moon. It's awesome. I'm a science fiction guy, but even if you're not, I think you're gonna learn a lot and really enjoy it. Then after that, we're gonna rewind the clock to episode number 882 from 2018 when we sat down with OpenAI's Greg Brockman. What's fascinating here is that a lot of the same questions we're asking today, we were asking back then, the importance of GPUs, the rise of LLMs. It's gonna be awesome. You're gonna love it. Then we're gonna drag Oliver in from this week in AI to give us a demo of character AI, a popular consumer AI application that you have heard of but maybe not used. If you wanna learn more, well, we have you covered. Then we're gonna turn the clock back even further to episode number 736 when we had Robinhood's Vlad …

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