Final answer:
The crew of a LUH-72A when not being used for MEDEVAC operations usually includes a pilot-in-command, a co-pilot, a crew chief, and sometimes a door gunner.
Step-by-step explanation:
The crew of a LUH-72A when not being used for MEDEVAC (Medical Evacuation) operations typically consists of two pilots - a pilot-in-command (PIC) and a co-pilot - as well as a crew chief who is responsible for the maintenance and operation of the aircraft. In some cases, there may also be a door gunner on board for security purposes.