Get all the news you need in your inbox each morning. Federal aviation investigators vowed earlier in the day that they will find the cause of a horrific collision. NTSB Chairwoman Jennifer Homendy said at a briefing that the agency wants to assure the American public it will "leave no stone unturned in this investigation .

Here are images of the two aircrafts involved in the crash, taken from airline websites and directly manufacturers.

The Army helicopter and regional American Eagle jet that collided over Washington are both workhorse aircraft that operate around the world on a daily basis.

The Army helicopter and regional American Airlines jet that collided over Washington are both workhorse aircraft that operate around the world on a daily basis.

The aircraft that collided in Washington, D.C., were a Bombardier CRJ700 jet operated as American Eagle Flight 5342 by PSA Airlines and a U.S. Army Sikorky UH-60 Black Hawk helicopter.

Officials this morning say there are no survivors after a plane crash in Washington. The plane involved has ties to Ohio. What we know.

Lockheed Martin's X-59 QuessT with quiet SuperSonic Technology. The X-59 will reduce the loudness of a sonic boom. Credit: Space.com | foortage courtesy: Lockheed Martin|edited by Steve Spaleta Music:

A Black Hawk helicopter can transport up to "12 fully equipped, seated troops in combat," according to Lockheed Martin, the weapons company that builds the helicopter. There are about 5,000 of these helicopters in use by the United States Military.

The deadly collision between a military helicopter and a passenger plane sent shares of U.S. carrier American Airlines in premarket trade on Thursday.

An American Airlines plane and a U.S. Army helicopter collided near Reagan National Airport and crashed into the Potomac River, according to officials.

A Sikorsky UH-60 Black Hawk helicopter of the US Army was involved in the mid-air collision with an American Airlines plane