Several federal and state investigations have been launched after an American Airlines flight and a military helicopter collided near Ronald Reagan Washington National Airport and fell into the Potomac River,

The U.S. Army Corps of Engineers says crews have successfully taken all major pieces of wreckage from the D.C. plane crash out of the Potomac River. The announcement came Thursday evening, just a day after the remains of all 67 victims killed in the midair collision were recovered and positively identified,