The mission when they left Md. was to help save lives after a helicopter and plane collided. Grim news awaited them when they arrived: this would be a search, not a rescue.

Lawmakers on a House subcommittee are demanding a briefing on the incident and what steps the Pentagon is taking to prevent another deadly collision.

FBI dive boats were spotted on Wednesday in the area of the Potomac River where the plane involved in the midair collision ...

Helicopters should be barred from a four-mile stretch over the Potomac River when flights are landing on Reagan National ...

The National Transportation Safety Board plans to give another update on the crash at 2 p.m. Tuesday. News4 will carry the news conference in the video player below ...