A Charlotte-based Air National Guard plane crashed Sunday night while on a wildfire-fighting mission in South Dakota, killing some crew members. "Obviously there were casualties, lives were lost and there were injuries. We're grateful for survivors. Our thoughts and prayers to out to the families who have lost loved ones," said Lt. Col. Robert Carver, a spokesman for the North Carolina Air National Guard. Carver did not release names of victims, but Lt. Col. Paul Mikeal of Mooresville was killed in the crash, family members told the Charlotte Observer. The C-130 tanker was part of an Airborne Firefighting unit in the Guard's 145th Airlift Wing. Three C-130s left Charlotte over the weekend to help battle Western wildfires. The cause of the crash hasn't been determined.