American fighter pilots fought an overwhelming Iranian drone swarm in total darkness. It was April 13, and Iran had fired over 300 drones, ballistic and cruise missiles, a far larger strike than the US military had anticipated. F-15 fighter pilots, weapons officers, and ground crew who took part in the operation and spoke to CNN described feeling overwhelmed at times as they combated the Iranian onslaught, which was the US Air Force's first real test against a prolonged and large-scale drone att