When the Ursa Major went down in the western Mediterranean this week, its owners said it was heading for Russia's Far East to deliver cranes. Show more But questions have been asked whether the ...

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 vessel Ursa Major, carrying strategic cargo, sank in the Mediterranean Sea after an explosion in the engine room, the Telegram channel Crimean Wind reports. Tracking services indicated ...