A modular shipping apparatus comprising: at least one base for a cargo container; each base having at least two spaces and each of spaces is formed by a left rectangular opening and a right rectangular opening, at least one wheel assembly is attached in one of the spaces, the base has a center portion that forms a first channel between the center portion and one of the openings and forms a second channel between the center portion and another one of the openings, a shipping container with a bottom interior and having at least two tracks attached to the bottom interior, wherein at least a portion of each of the at least one wheel assemblies attached in one of the at least two spaces slides along one of the at least two tracks.