Explosion Rocks Northrop Grumman Rocket Testing Complex

By Danielle

An explosion on Wednesday destroyed a building at Northrop Grumman’s rocket testing complex in northern Utah.

According to Air & Space Forces Magazine, Northrop Grumman’s Innovation Systems plant in Promontory, Utah, is where the company manufacturers “solid rocket motors for government and commercial customers.”

WATCH:

April 16 explosion destroyed bldg at Northrop Grumman’s Innovation Systems plant in Promontory, Utah, where it makes solid rocket motors.

Northrop’s Innovation Systems—accounts for nearly 90% of the SRM capacity in the US, supporting Air Force, NASA, and commercial space launch… pic.twitter.com/Ooh0C6lkbH

— Olga Nesterova (@onestpress) April 17, 2025