The Ursa Major, which sank on Monday, was carrying vital equipment for Moscow's newest nuclear-powered icebreaker.

RTX and Colorado-based propulsion firm Ursa Major conducted flight tests of a new solid rocket motor with long-range capabilities in California.

The “veteran of military transportation” was of great importance for the so-called Syrian Express and the incident will have ...

Fourteen crewmembers of the ship, the Ursa Major, had to be rescued from a lifeboat and transferred to Spain, according to Spain's maritime rescue agency. None of the fourteen crewmembers were ...

Raytheon’s missile manufacturing operation announced a successful test for an advanced long-range military solid rocket motor it's developing with a Colorado aerospace propulsion systems maker.

The Ursa Major cargo ship went down in the Mediterranean Sea off the coast of Spain on Tuesday, leaving two of its 16-person crew missing, according to Russia’s foreign ministry. The vessel ...

Raytheon and growing propulsion firm Ursa Major on Wednesday announced they have conducted successful missile flight tests with a long-range solid rocket motor for the Army. In a briefing with ...

The Russian Foreign Ministry said the vessel, the Ursa Major, went down in the Mediterranean between Spain and Algeria. The officials said 14 crew members were rescued by the Spanish coast guard ...

The crisis center of the Russian Foreign Ministry said the vessel, Ursa Major, sank south of Spain after a blast in the engine room. It was traveling through the Mediterranean after traversing the ...

Raytheon’s Tucson-based missile manufacturing operation this week announced a successful missile test for an advanced long-range solid rocket motor it is developing together with Colorado ...