Inside 434 SFS' Night Firing Qualification Course Published June 10, 2024 By Senior Airman Elise Faurote Grissom Air Reserve Base, Ind. -- U.S. Air Force Airmen assigned to the 434th Security Forces Squadron fire M4A1 carbines using night vision technology during the Carbine Defender Qualification Course (DQC), Grissom Air Reserve Base, Indiana, June 6, 2024. The 434th SFS Airmen complete the DQC annually to ensure its Airmen are prepared to defend America’s interests at home and abroad. (U.S. Air Force photo by Senior Airman Elise Faurote)