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

The aerospace and defense company maintains a large presence in Utah, where it manufactures and tests solid rocket motors. Northrop Grumman did not immediately release a statement. The public is ...

PROMONTORY, Utah (AP ... and tests solid rocket motors. Northrop Grumman did not immediately release a statement. The public is advised to avoid the area as officials continue to investigate.

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 ...