A timeline of last week’s air disaster in Washington, the deadliest in the US since 2001
It has been nearly a week since a commercial jetliner and an Army helicopter collided in midair near Washington’s Ronald Reagan National Airport, killing 67 people in the deadliest U.S. air disaster since 2001. Even as salvage crews continue to haul the wreckage out of the Potomac River, investigators are seeking answers about what happened.