Experts say the gunman’s brain tissue points to traumatic injury ‘likely’ caused by blasts in the line of duty; the Army disagrees but is taking steps to limit exposure.

Over 300 personnel have been pressed into search and rescue operations in the freezing waters of the Potomac River after an American Airlines jet carrying 64 people collided with a US Army helicopter ...

Hundreds of responders have removed at least 28 bodies from the icy waters of the Potomac River after a deadly plane crash, according to officials as of Thursday morning.