PICTURED: National Guard names three service members killed after their helicopter crashed during a training mission in New York Chief Warrant Officer Steven Skoda, 54; Chief Warrant Officer Christian Koch, 39; and Chief Warrant Officer Daniel Prial, 30, died on Wednesday They were killed after their UH-60 Black Hawk medical evacuation helicopter crashed into a field in upstate New York during a training exercise There were no survivors in the crash All three were experienced pilots with past deployments to Afghanistan and had won a litany of honors between them Witnesses who called 911 reported hearing the sounds of an engine sputtering and said the aircraft was flying very low