Two German constructor workers attach a chain/pulley unit to the Elevator Transfer Vehicle (ETV) wiring case, after its delivery to the Freight Terminal Construction site at Ramstein Air Base (AB), Germany (DEU), in order to have a crane lift it into the correct place at the top of the ETV. The ETV can carry two pallets at one time, equaling a total of up to 20,000-pounds (lbs), as they are automatically scanned for height, length, width, and shape in order to determine if they can be safely loaded onto a cargo aircraft