Here's what is known about the Black Hawk and its crew that crashed into the American Airlines passenger jet over the Potomac River in Washington.
The main trends point to fewer helicopters, fewer flight hours, but more drones and aircraft available for missions.
The MH-60 Jayhawk crashed during a rescue mission on Nov. 13.
Gen. Mark Milley said he'll take steps to protect himself and his family after comments by former President Donald Trump.
Load More