A cargo system comprising: a tray; a lateral restraint comprising a guide face, wherein the lateral restraint is configured to be rotatably coupled to the tray of the cargo system; and a vertical restraint rotatably coupled to the lateral restraint; wherein: the restraint assembly is configured to have a stored position and a raised position; in the stored position both the lateral restraint and the vertical restraint are configured to be disposed within a volume defined by the tray of the cargo system; in the raised position the vertical restraint and at least the guide face of the lateral restraint are configured to be disposed above the volume defined by the tray of the cargo system such that the restraint assembly provides at least one of longitudinal guidance, lateral restraining, and vertical restraining to cargo; the lateral restraint comprises a top edge, as defined with the restraint assembly in the raised position; and the vertical restraint is rotatably coupled to the top edge of the lateral restraint; the tray of the cargo system extends along a longitudinal axis; the lateral restraint is configured to be coupled to the tray via a first rotational axis; and the first rotational axis is parallel to the longitudinal axis, and wherein: the vertical restraint is coupled to the lateral restraint via a second rotational axis; and the second rotational axis is parallel to the longitudinal axis. a tray; a lateral restraint comprising a guide face, wherein the lateral restraint is configured to be rotatably coupled to the tray of the cargo system; and a vertical restraint rotatably coupled to the lateral restraint; wherein: the restraint assembly is configured to have a stored position and a raised position; in the stored position both the lateral restraint and the vertical restraint are configured to be disposed within a volume defined by the tray of the cargo system; in the raised position the vertical restraint and at least the guide face of the lateral restraint are configured to be disposed above the volume defined by the tray of the cargo system such that the restraint assembly provides at least one of longitudinal guidance, lateral restraining, and vertical restraining to cargo; the lateral restraint comprises a top edge, as defined with the restraint assembly in the raised position; and the vertical restraint is rotatably coupled to the top edge of the lateral restraint; the tray of the cargo system extends along a longitudinal axis; the lateral restraint is configured to be coupled to the tray via a first rotational axis; and the first rotational axis is parallel to the longitudinal axis, and wherein: the vertical restraint is coupled to the lateral restraint via a second rotational axis; and the second rotational axis is parallel to the longitudinal axis. the restraint assembly is configured to have a stored position and a raised position; in the stored position both the lateral restraint and the vertical restraint are configured to be disposed within a volume defined by the tray of the cargo system; in the raised position the vertical restraint and at least the guide face of the lateral restraint are configured to be disposed above the volume defined by the tray of the cargo system such that the restraint assembly provides at least one of longitudinal guidance, lateral restraining, and vertical restraining to cargo; the lateral restraint comprises a top edge, as defined with the restraint assembly in the raised position; and the vertical restraint is rotatably coupled to the top edge of the lateral restraint; the tray of the cargo system extends along a longitudinal axis; the lateral restraint is configured to be coupled to the tray via a first rotational axis; and the first rotational axis is parallel to the longitudinal axis, and wherein: the vertical restraint is coupled to the lateral restraint via a second rotational axis; and the second rotational axis is parallel to the longitudinal axis. the vertical restraint is coupled to the lateral restraint via a second rotational axis; and the second rotational axis is parallel to the longitudinal axis.