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

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

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.

LAKE CHARLES, La. (KPLC) - A groundbreaking ceremony was held ... The pavilion was funded through the Partners in Parks Fund at the Community Foundation, thanks to Northrop Grumman.