Which of the following is NOT one of the techniques used for distribution?

The choice of direct mail as the technique that is not used for distribution is based on the understanding of distribution methods within large-scale combat operations. Distribution techniques generally aim to ensure timely and efficient movement of resources, personnel, and supplies.

Direct mail typically refers to a marketing strategy used to send promotional materials directly to consumers, which does not align with military logistics or distribution techniques used during operations. In contrast, techniques such as ROM (Rapid Onward Movement), prepositioned stock, and modular system exchange operations are all established strategies for effectively managing and distributing supplies and assets in a combat environment.

ROM focuses on rapidly moving personnel and equipment to where they are needed, prepositioned stock allows for supplies to be stored closer to areas of potential conflict, enabling quick access when necessary, and modular system exchange operations facilitate the efficient swapping of assets based on operational demands. Each of these methods is integral to maintaining an effective supply chain during large-scale combat operations, distinguishing them from marketing practices like direct mail.