PROMONTORY, Utah (AP) — An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed a building ...

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

Days after an explosion destroyed a building on its remote facility in northern Utah, Northrop Grumman is shedding new light ...

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

PROMONTORY, Utah — An explosion destroyed a building inside the Northrop Grumman facility in Box Elder County early Wednesday ...

The explosion occurred at the Northrop Grumman Rocket Garden facility in Promontory at 7:38am. Images showed the building was left in rubble after the explosion as smoke filled the remote region.

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

Wednesday's explosion destroyed a building in the northwest portion of Northrop Grumman's northernmost collection of site infrastructure, about 8.5 miles (13.5 kilometers) north of the company's ...

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 ...

PROMONTORY, Utah (AP) — An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed a building Wednesday. Officers found no injuries or fatalities in their initial ...

PROMONTORY, Utah (AP) — An explosion at Northrop Grumman’s remote rocket testing site in northern Utah destroyed a building Wednesday. Officers found no injuries or fatalities in their initial ...