E49 – Ursa Major Solid Rocket Motors
Podcast: The MergePublished On: Sun Aug 31 2025
Description: In this episode, Mike sits down with Dan Jablonsky, CEO ofUrsa Major, to discuss solid rocket motors and how Ursa Major is doing it differently.Once dominated by just two suppliers, America’s SRM propulsion base has been stretched thin—leaving gaps exposed by today’s conflicts. Dan explains how Ursa Major is tackling that challenge withmodular production, 3D printing, Highly Loaded Grain propellants, and advanced manufacturing using what they’ve learned from their liquid motor product lines.We also talk about the big picture: hypersonics, cruisemissiles, and upcoming programs with RTX (Raytheon), the U.S. Navy (SM-2, SM-3, SM-6), the Army, and Stratolaunch.If you want to understand why missile production is one of the biggest defense challenges of our time—and how new entrants like Ursa Major are building solutions—this episode is for you. Links• Sign up for the newsletter! • Support us on Patreon!• Ursa Major website• Ursa Major LinkedIn• Ursa Major Instagram • Ursa Major X ---- Follow us on... • LinkedIn• Instagram• X• Facebook• Website ---- 00:0000:42 intro01:04 Ursa Major02:22 company name03:48 getting into the SRM business05:29 SRM industrial base07:15 doing SRMs differently09:14 SRM 10112:07 Highly Loaded Grain13:08 increasing missile range15:34 rapid development16:44 scale with safety22:25 rapidly adapting SRMs to the threat23:03 3D printing everything?24:59 hypersonic motors27:20 missiles in space27:47 affordable mass29:14 outro
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