Ursa Major Technologies

Rocket propulsion company building modular engines. Hadley and Arroway engines.

propulsionUSpropulsionlaunchursamajor.com

Launches

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Payloads in Orbit

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Active Sats (reported)

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Funding Raised

Products & Services

operational

propulsion system

35,000 lbf liquid oxygen/kerosene engine for launch vehicles and space applications.

Since 2022

development

propulsion system

200,000 lbf class engine for medium and heavy-lift launch vehicles.

reusable launchdeep space transport

Event Timeline (1 events)

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hiring signal86 jobsAug 17, 2026

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