Modular shipping apparatus and system

A cargo container system, comprising:

• a base wherein each base has at least two open bottom rectangular spaces and at least one wheel assembly is attached in each of the at least two open bottom rectangular spaces;
• at least four end frame supports attached substantially perpendicular to the base, wherein each of the end frame supports has a substantially closed square portion with four sides and having outer extensions extending from two of the four sides and an additional support extending from the junction of the remaining two of the four sides of the substantially closed square portion, wherein the additional support has two substantially L-shaped portions that are substantially parallel to the outer extensions and each of the at least four end frame supports having a corner support that is substantially parallel to the junction;
• at least three panels, wherein each of the panels has two S-shaped ends and at least one of the two S-shaped ends is interposed between one of the two substantially L-Shaped portions that are substantially parallel to the outer extensions;
• at least three rectangular frames each being removably attached to a corner support;
• a top attached to the at least three rectangular frames;
• at least one door, each at least one door attached by at least one hinge to one of the outer extensions of one of the at least four closed end frame supports.