A cargo handling system is configured to load and unload a cargo container with respect to a cargo holding area of a vehicle. The cargo handling system includes parallel roller tracks extending from a floor. The roller tracks are separated by a clearance space. The roller tracks include rollers that are configured to rotatably support the cargo container. A mobile cargo mover is configured to move within the clearance space. The cargo mover is configured to engage the cargo container to move the cargo container on the roller tracks. The cargo mover is configured to disengage the cargo container to move away from the cargo container.