Which of the following is an example of a graphic training aid (GTA)?

The choice identifying GTA 10-2-2, Fuel System Supply Point, is an appropriate example of a graphic training aid (GTA) because GTAs are specifically designed to provide visual information and support to enhance the training process. They often include diagrams, illustrations, or charts that enable soldiers to better understand complex concepts or operations related to their duties.

In this context, GTA 10-2-2 specifically offers a visual representation and details necessary for understanding the layout and function of a Fuel System Supply Point, which is crucial for planning and executing logistics in military operations. The use of a graphic training aid simplifies the comprehension of critical information and can facilitate more effective training sessions.

Other options, while relevant to training, do not fulfill the specific criteria of being a graphic training aid. A mock-up provides a physical representation but lacks the graphic component. Documentation on training aids refers to written materials rather than visual aids. A training film, although informative and potentially useful, does not qualify as a graphic training aid in the sense that it is not primarily a graphical representation used in training scenarios. Thus, the choice of GTA 10-2-2 stands out as a perfect example of a graphic training aid.