Which type of container is most commonly used by all military branches for general cargo?

The end-opening container is the most commonly used type of container by all military branches for general cargo due to its design, which allows for easy and efficient loading and unloading of various types of cargo. These containers are particularly advantageous for large and heavy items that may not be easily accessible through smaller openings, which is essential for military operations that often deal with bulky equipment, supplies, and other logistical needs.

The end-opening configuration facilitates rapid access to cargo and offers flexibility in how the contents can be arranged and secured. This is crucial in military operations where efficiency and speed in loading and unloading can significantly impact mission readiness.

Other types of containers, while useful in specific scenarios, do not provide the same level of versatility for general cargo needs. For instance, side-opening containers are beneficial for certain types of cargo that require lateral access but are not as universally applicable for bulk operations. Open-top containers are more specialized for cargo that exceeds standard height restrictions but may expose the contents to environmental conditions. Deployable Medical Systems, while essential for medical logistics, are not a general cargo solution and specifically cater to medical needs. Thus, the end-opening container stands out as the preferred choice for general military logistical operations.