Oct. 4. Flags at NC and federal facilities are at half-staff from sunrise to sunset today in honor of National Fallen Firefighters Memorial Day. honors those lost in the line of duty.of the many firefighters who have lost their lives in the line of duty. “Today we honor the fallen firefighters across our country who lost their lives protecting their communities,” said Gov. Roy Cooper. “We must never forget them as we continue supporting our firefighters who are out there protecting us right now.”