The U.S. Army has named the third service member who died in the collision between a Black Hawk helicopter and a commercial plane.

Capt. Rebecca Lobach, 28, of Durham, North Carolina, was identified as one of the pilots of the Black Hawk flight that collided with American Eagle Flight 5342.

All 67 people on board the American Airlines regional jet and US Army Black Hawk helicopter that collided midair Wednesday night are presumed dead – a grim tragedy that has left a heartbreaking trail of mourning families in its wake.