Which aircraft is identified as a logistics aircraft used for training support?

The C-21 Learjet is identified as a logistics aircraft used for training support primarily because it is designed to provide rapid and flexible air transportation for personnel and cargo, including the movement of priority personnel and equipment for training purposes. Its notable speed and the ability to operate from smaller airfields make it particularly useful in fulfilling logistical support roles, especially in training environments where timely and efficient transport is critical.

While the other aircraft listed also have roles in logistics and transport, the C-21 Learjet specifically has garnered recognition within training support contexts due to its operational capabilities tailored to meet the needs of military training and logistics missions. The other aircraft may serve in various logistical capacities but do not have the same level of emphasis on training support as the C-21 does.