Another update from Firefly early Tuesday afternoon confirmed the launch failed. The company said the rocket "experienced a ...

PROMONTORY, Utah (AP) — 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 ...

Northrop Grumman said Friday a Promontory building destroyed in an explosion this week was where an ingredient used in solid ...

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