A loud noise that startled residents in Clive and across the metro area was identified as a B-1 Lancer bomber from the Grand Forks Air Force Base.

The scare happened in West Des Moines.

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The B-1 Lancer is a supersonic bomber used by the U.S. military. See it in action. Sen. Chuck Grassley reacts to heated ...

The Des Moines airport and the Iowa Air Guard confirmed the mystery noise was a B-1 Lancer bomber based at the Grand Forks Air Force Base in North Dakota. The military video of the B-1 shows what ...

Residents on the western side of the Des Moines metro may have heard a prolonged and loud noise flying overhead on Tuesday ...