The Friday letter came two days after a midair collision between a Black Hawk helicopter and a commercial airliner near the national’s capitol killed 67.
Recovery crews and divers are searching the Potomac River for remains and clearing wreckage from the midair collision of a passenger jet and Army helicopter that killed 67 people.
A medical transport jet transporting a child who had just completed treatment for a life-threatening condition, her mother and four others crashed into a Philadelphia neighborhood.