Investigators have already recovered the cockpit voice recorder and flight data recorder of the American Airlines plane that collided with an Army helicopter as the plane was landing Wednesday night at Ronald Reagan National Airport next to Washington,

One black box has been recovered from the Potomac River, according to officials.Crews have been on scene all Thursday in Washington D.C. following the deadly<a class="excerpt-read-more" href=" More

While authorities focus on the cause of the US's deadliest aviation disaster since 2001, families are mourning their loved ones. Here's the latest.