A reusable, substantially airtight, and insulated container system, assembly and method include detachable assembled top, side, and bottom panels to enclose a plurality of pallets of chilled, perishable products for transport. The top panel includes a plurality of pouches positioned within horizontal chambers within the inside top panel surface. Hook and loop closures secure and seal the panel assemblies. Thermoplastic polyurethane nylon fabric panel inner and outer surfaces are bonded to an internal insulation layer with thermal-welded edges. The system, assembly, and method include internal temperature control elements for a real time thermostatically controlled container environment protecting chilled products housed within the cover assembly during transport. An embodiment of the cover assembly is configured to a standard LD-7 air transport container base pallet, providing a thermostatically controlled container environment of approximately 745 cubic feet. The assembled top, side, and bottom panels are co
