Bell—H-1 Iroquois: Mission Profile Configuration options: the H-1 Huey is employed for general-purpose duties by the USAF; aircraft are no longer configured for missions previously assigned, including ICBM (intercontinental ballistic missile) logistical support, rescue, and special operations Utility/transport/training mission: the UH-1N cruises at 111 mph (178 km/h) to a maximum range of 374 miles (602 km/h) with an external load of 4,000 lb (1,814 kg)