When transporting troopers and cargo in one hold, a conflict in regulations occurs. Regulation for transport of passengers vastly differs compared to the requirements for transport of cargo in general, a main difference is covering fire retardancy.
Cargo and passengers need to be separated and whereas such typically occurs in different cargo holds, in certain aircraft configurations this is simply not feasible or cost effective.
This main deck DC-10 container offers the highest level of fire protection with utmost operational versatility.