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

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 — Days after an explosion destroyed a building on its remote facility in northern Utah, Northrop Grumman is shedding new light on what occurred and if its programs will be affected.

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 ...

Reports of the explosion came in around 7:38 AM, according to the Box Elder County Sheriff's Office. Palmer said the building is a total loss and was on fire Wednesday morning, but no injuries ...

This photo provided by the Box Elder County Sheriff's Office shows the wreckage from an explosion at Northrop Grumman's remote rocket testing site on Wednesday, April 16, 2025, in Promontory ...

PROMONTORY, Utah — 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 ...