There was an explosion at the Northrop Grumman facility. Deputy Keith Palmer with the Box Elder County Sheriff's Office said the explosion happened at around 7:38 a.m. Initial reports indicated there ...

Emergency crews are on scene after an explosion at a Northrop Grumman facility in Box Elder County sparked an active fire.

PROMONTORY, Utah — An explosion destroyed a building inside the Northrop Grumman facility in Box Elder County early Wednesday. No one was injured during the incident, according to the Box Elder ...

An explosion occurred at Northrop Grumman in Promontory early Wednesday morning, April 16, the Box Elder County Sheriff’s Office said. The incident was reported at about 7:38 a.m., and emergency ...

PROMONTORY, Box Elder County — An explosion rocked the Northrop Grumman rocket testing facility in remote Promontory, around 32 miles west of Brigham City. Reports of the explosion came in ...

PROMONTORY, Box Elder County — No solid rocket motors were lost or damaged in an explosion Wednesday in remote Promontory, a company spokesperson for Northrop Grumman told KSL.com Friday.

PROMONTORY — Few new details are available on an explosion that occurred at a Northrop Grumman facility in Box Elder County on Wednesday. In response to an inquiry from the Standard-Examiner ...

A Building Is Destroyed in an Explosion at Northrop Grumman's Rocket ... according to the Box Elder County Sheriff's Office. Emergency crews had responded to reports of a loud blast and a dark ...

BOX ELDER COUNTY, Utah (KIFI) - An early morning explosion destroyed a building at Northrop Grumman's "Rocket Ranch" in Promontory, Utah, according to a Facebook post by the Box Elder County ...

Deputy Keith Palmer with the Box Elder County Sheriff's Office said the explosion happened at around 7:38 a.m. Wednesday. Drone video from the scene showed the site where the building blew.

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 ...