Police boats have returned to the Potomac River as part of the recovery and investigation after the United States’ deadliest aviation disaster in almost a quarter century ARLINGTON, Va.

ARLINGTON, Va. — Police boats combed the banks of the Potomac River on Friday, slowly scanning the shoreline under rainy skies as investigators sought clues into the midair collision that killed ...

(Petty Officer 1st Class Brandon Giles, U.S. Coast Guard via AP) Police boats combed the banks of the Potomac River on Friday, slowly scanning the shoreline under rainy skies as investigators ...