Northrop Grumman's Utah facility manufactures and tests solid rocket engines, like those used to launch NASA's Space Launch ...

A secretive Northrop Grumman rocket factory has exploded in a remote patch of the ... Northrop Grumman's most famous product is probably the B-2 stealth bomber, although it also built the lunar ...

Northrop Grumman said Friday a Promontory building destroyed in an explosion this week was where an ingredient used in solid ...

BOX ELDER COUNTY. Utah — Authorities are investigating an explosion at Northrop Grumman Innovation Systems that happened ...

Crews are investigating an explosion Wednesday morning at Northrop Grumman's rocket test facility in Promontory, a remote ...

PROMONTORY, Utah — An explosion at Northrop Grumman’s “Rocket Ranch” in Utah destroyed a building Wednesday morning. No one ...

Officials said the explosion happened at 7:38 a.m. MT. The “Rocket Ranch” is the testing ground for the company’s solid rocket motors. It is not known which building was destroyed and what ...

A Building Is Destroyed in an Explosion at Northrop Grumman's Rocket Test Site PROMONTORY, Utah (AP) — An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed ...