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PODCAST

Valley of Depth

Payload | Ignition | Tectonic

Valley of Depth is a podcast about the technologies that matter — and the people building them. Brought to you by Arkaea Media, the team behind Payload (space), Ignition (nuclear energy), and Tectonic (defense tech), this show goes beyond headlines and hype. We talk to founders, investors, government officials, and military leaders shaping the future of national security and deep tech. From breakthrough science to strategic policy, we dive into the high-stakes decisions behind the world’s hardest

business investing

All Episodes

00:56:15

Autonomy at the Edge, with Scott Sanders (CGO of...

Valley of Depth ·

2026/03/25

Scott Sanders has seen the defense tech industry from just about every angle. As a Marine officer, he watched promising capability stall somewhere between a program office and the field. As an early employee at Anduril, he helped build one of the companies that bet it could do better. Now, as Chief Growth Officer at Forterra, he's making that same bet on autonomous ground systems, a market that's been promised for years and is only now being put to the test. In this episode of Valley of Depth, we

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01:01:54

The Early Innings, with Mark Boggett (CEO of Seraphim)

Valley of Depth ·

2026/03/20

In this episode of Valley of Depth, we sit down with Mark Boggett, CEO of Seraphim Space, to break down one of the biggest questions in the industry right now: are we still early in the space economy, or has the easy money already been made?Mark has built one of the first dedicated space-focused venture firms, before the category became institutional. We discuss how the market has evolved from uncertain capital availability to a more mature ecosystem where large-scale funding is now expected and

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00:58:09

Networks in Motion, with Brian Barritt (CTO of Aalyria)

Valley of Depth ·

2026/02/25

In this episode of Valley of Depth, we dive into Aalyria’s newly announced $100 million raise at a $1.3 billion valuation with cofounder and CTO Brian Barritt and unpack why investors are betting big on the future of networks that don’t sit still.Aalyria is building two core technologies born inside Google: Spacetime, a software orchestration layer designed to manage networks in motion, and Tightbeam, a laser communications system delivering fiber-like speeds through the atmosphere. Together, they

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00:48:55

Thermal Breakthrough, with David Tearse (CEO of...

Valley of Depth ·

2026/02/11

In this episode of Valley of Depth, we sit down with David Tearse, co-founder and CEO of Karman Industries, to explore a piece of the AI boom that rarely gets attention: thermal infrastructure.As hyperscale data centers grow into multi-gigawatt “AI factories,” the limiting factor is no longer just chips or capital — it’s how efficiently we can move and reject heat. David explains how Karman’s Heat Processing Unit (HPU) reimagines cooling from first principles, bringing aerospace-grade turbomachinery

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00:47:27

SpaceX Road to IPO, with Jack Kuhr (Research Director...

Valley of Depth ·

2026/02/04

In this episode of Valley of Depth, we sit down with Jack Kuhr, Payload Pro’s Research Director, to unpack what SpaceX has become on the eve of what could be the largest IPO in history. What began as a launch company has evolved into a vertically integrated platform spanning launch, satellites, global connectivity, and potentially AI and compute in space.This is the first in a series of conversations where we’ll regularly update our audience on the latest developments shaping SpaceX and its impact

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00:47:23

Future of Signal Intelligence (LIVE @ NYSE), with...

Valley of Depth ·

2026/01/28

We’re excited to launch a very special edition of Valley of Depth, recorded live from the historic vault deep beneath the New York Stock Exchange (NYSE). Going forward, we’ll be returning to the NYSE each month to host a series of conversations from the heart of global capital markets with the leaders building the next generation of critical infrastructure.In this installment, we sit down with John Serafini, CEO of Hawkeye 360, a company quietly reshaping how governments see and understand the

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00:49:45

Data Center Debate, with Philip Johnston (CEO of...

Valley of Depth ·

2026/01/21

As constraints on energy, water, and permitting collide with exploding demand for AI and compute, a once-fringe idea is moving rapidly toward the center of the conversation: putting data centers in space. Starcloud believes orbital infrastructure isn’t science fiction—it’s a necessary extension of the global compute stack if scaling is going to continue at anything close to its current pace.Founded by Philip Johnston, Starcloud is building space-based compute systems designed to compete on cost,

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00:56:19

Sovereignty in Orbit, with Hamdullah Mohib (CEO of...

Valley of Depth ·

2026/01/14

As more nations realize that space is no longer just a scientific domain but a foundation of economic power and national security, a new question is emerging: who will actually build the infrastructure that underpins it? Orbitworks believes the answer lies in sovereign capability: designed locally, manufactured locally, and operated with speed and control.Founded by Hamdullah Mohib, a former national security advisor and diplomat who spent years operating at the highest levels of geopolitics,

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00:51:57

Grid From Above, with Marc Berte (CEO of Overview...

Valley of Depth ·

2026/01/08

We're back to kick off 2026!While the world debates how to power the next era of compute, data centers, and industrial growth, Overview Energy is betting the answer is above us. The company is building infrastructure to beam power from space directly to Earth's grid.Founded by Marc Berte, a nuclear and aerospace engineer who spent his career at the intersection of lasers, spacecraft, and high-energy systems, Overview is developing a constellation of satellites in geosynchronous orbit that absorb

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00:50:26

The Maneuver Gap, with Kerry Wisnosky (CEO of Quantum...

Valley of Depth ·

2025/12/19

Kerry Wisnosky believes the future of space power will be decided by maneuverability. As satellites remain largely static, Quantum Space is building the infrastructure to move, persist, and operate across orbits, from LEO to cislunar space.The company is developing Ranger, a six-metric-ton, high-delta-V spacecraft designed to operate for up to 15 years, host and deploy payloads, maneuver freely between orbits, and function as a refueling node. By combining chemical and electric propulsion into a

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00:56:14

Building Golden Dome, with Lt Gen (Ret) Nahom & Mike...

Valley of Depth ·

2025/12/11

Lt. Gen. (Ret.) David “Abu” Nahom spent decades defending the American homeland, from commanding Alaska Command and the 11th Air Force to shaping Air Force budgets and strategy as the A8. Mike Dickey started his career in the original Strategic Defense Initiative, helped build the USSF and now advises companies and government leaders on the future of national security. Together, they unpack the realities behind Golden Dome: what it is, what it isn’t, and why it may be the most complex defense

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00:53:29

Railroad to Mars, with Halen Mattison (CEO of General...

Valley of Depth ·

2025/12/04

Halen Mattison left SpaceX because Elon told him his vision was too long-term. He wanted to build the propellant infrastructure that would unlock Mars and everything between here and there, but the timeline didn't fit SpaceX's roadmap. So he started General Galactic to do it himself.His team is developing Genesis, a water electrolysis propulsion system that delivers hydrazine-level thrust and xenon-level efficiency using the safest, cheapest, most abundant propellant in the solar system. The company

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00:43:41

Power, Meet Shield, with Trevor Smith (CEO of Atomic-6)

Valley of Depth ·

2025/10/30

Space has a power problem. Satellites need more electricity and better protection, yet solar arrays are slow to build and failure-prone, and shielding adds mass and complexity. Atomic-6 is tackling both sides at once.Our guest this week is Trevor Smith, founder and CEO of Atomic-6. His team is building Light Wing, a redeployable, mass-manufacturable solar array aimed at higher watts per kilogram and faster delivery, and Space Armor, an RF-permeable debris shield designed to stop hypervelocity

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00:50:18

Rendezvous Economics, with Austin Link (Co-Founder of...

Valley of Depth ·

2025/10/23

Satellites are expensive and once launched, mostly untouchable.. That’s the problem Starfish Space is solving. The company is building Otter, a small, autonomous servicing vehicle capable of rendezvousing with, docking to, and moving other satellites in orbit.On this episode of Valley of Depth, I’m joined by Austin Link, co-founder of Starfish Space. Austin shares how a team of former Blue Origin engineers turned a bold idea into one of the most advanced orbital servicing programs in the world. We

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00:47:52

The Missing Sensor, with Nicolaas Verheem (CEO of TRL11)

Valley of Depth ·

2025/10/01

Spacecraft carry all kinds of sensors, but rarely the one humans rely on most: video. Despite offering the richest insight per watt, gram, and dollar, cameras have been largely absent from orbit.That’s what TRL11 is out to change. The company is building radiation-tolerant optics, edge computers that process and compress video in real time, and ground software that turns footage into operational awareness. On this episode of Valley of Depth, I’m joined by Nicolaas Verheem, founder and CEO of TRL11

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00:58:40

Engineering Mass Abundance, with Neel Kunjur (CTO of...

Valley of Depth ·

2025/09/25

Smallsats have defined the last decade of space, but their limitations are clear: low power, limited throughput, and fragile unit economics. K2 Space is betting on the opposite. The company is building mega class and giga class satellites, platforms measured in tons rather than kilograms, that deliver unprecedented power, capacity, and resilience. By vertically integrating 80 percent of their systems in house, K2 is cutting costs by an order of magnitude and making industrial scale spacecraft a

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00:50:55

Proven Propulsion, with Kristin Houston (President of...

Valley of Depth ·

2025/09/17

This episode is presented by L3Harris Technologies.On this special edition of Valley of Depth, we’re joined by Kristin Houston, President of Space Propulsion and Power Systems at L3Harris. Kristin leads the team responsible for propulsion and space power systems across Artemis and beyond, from the RS-25 main engines to the Gateway’s high-power electric propulsion system to Fission Surface Power (FSP) on the Moon. We dive into how Artemis II is shaping up, the role of SLS, and why nuclear power and

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00:50:28

From Seabed to Space, with Tyler Bernstein (CEO of...

Valley of Depth ·

2025/09/04

Some environments are simply too harsh for traditional power sources. Solar panels fail in darkness, batteries die quickly, and diesel can’t reach. That’s where Zeno Power comes in. The company is pioneering nuclear batteries, compact systems that recycle radioactive waste into safe, reliable power for years at a time.On this episode of Valley of Depth, I’m joined by Tyler Bernstein, co-founder and CEO of Zeno Power. We trace the journey from a Vanderbilt classroom project to a venture-backed

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01:05:44

The Case for Continuity, with Pam Melroy (Former...

Valley of Depth ·

2025/08/28

Continuous human presence in orbit has been a cornerstone of U.S. leadership in space for 25 years. But recent changes to NASA’s Commercial LEO Destinations (CLD) strategy have Pam Melroy—former NASA Deputy Administrator and shuttle commander—sounding the alarm. She warns that shifting to short-duration missions risks ceding leadership in LEO and undermining U.S. readiness for Mars, opening the door for China to take the mantle.On this episode of Valley of Depth, we’re joined by Pam to talk about

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00:50:37

Logistics Wins Wars, with David Tuttle (CEO of Rune)

Valley of Depth ·

2025/08/21

Logistics rarely makes headlines, but it wins or loses wars. Rune Technologies is betting that the future of contested sustainment won’t be built on warehouses and spreadsheets, but on software. The company recently raised a $24M Series A to accelerate that vision.On this episode of Valley of Depth, we’re joined by Rune co-founder and CEO David Tuttle to talk about how the company is reimagining military logistics from the ground up. We trace Rune’s path from early prototypes to today’s TyrOS

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164 results

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