Rocket motor and engine developer Ursa Major on Thursday appointed Chris Spagnoletti as its new CEO effective immediately, succeeding Dan Jablonsky who ...

Ursa Major has appointed Chris Spagnoletti as its new Chief Executive Officer. Spagnoletti replaces Dan Jablonsky, who leaves ...

BERTHOUD, Colo., Feb. 19, 2026 /PRNewswire/ -- Ursa Major has appointed Chris Spagnoletti as Chief Executive Officer.

In a surprise leadership change, Ursa Major has named Chris Spagnoletti as the company’s CEO effective immediately. Spagnoletti replaces previous CEO Dan Jablonsky, who had led the company since ...

Ursa Major said it developed a new solid rocket motor from scratch in four months, and has now flown it twice in partnership with Raytheon. (Ursa Major) Raytheon and growing propulsion firm Ursa Major ...

Stratolaunch’s Talon-A1 prepares for flight powered by Ursa Major’s Hadley engine. Credit: Ursa Major WASHINGTON — Rocket propulsion startup Ursa Major announced March 9 its Hadley engine successfully ...

WASHINGTON – The U.S. Air Force Research Laboratory awarded Colorado-based propulsion company Ursa Major a contract to mature two engines, one for space launch and the other for hypersonic launch.

Hotfire test at Ursa Major’s headquarters.. Photo: Courtesy Ursa Major. U.S. rocket propulsion startup Ursa Major said on Tuesday it was awarded a $12.5 million contract to build out production and ...

Arroway is Ursa Major’s largest engine, with 200,000 pounds of thrust for space launch. (Ursa Major computer-generated rendering) WASHINGTON – The U.S. Air Force Research Laboratory awarded ...