The first of the National Transportation Safety Board’s three days of investigative hearings is underway to help determine what caused the deadly midair collision on January 29 between an Army helicop ...

By CNN’s Nick Paton Walsh, Natalie Wright, Kosta Gak and Brice Laine Near Pokrovsk, eastern Ukraine (CNN) — The silent, moonless black is broken only by the whirr above of a Russian drone. Dmytro is ...