Grumman

Seven years after Northrop Grumman Corp. won the contract to build a new stealth bomber, the B-21 Raider was unveiled Friday evening in a dramatic ceremony at dusk.A giant silver sheet was hoisted off the aircraft as it was slowly towed…

A Northrop Grumman Antares rocket successfully boosted a space station cargo ship into orbit early Monday and while one of two solar arrays failed to properly deploy, officials said the spacecraft will have enough power to complete…