Final answer:
Appendix G in TC 21-305-20 is likely a section of a U.S. Army training manual that provides supplemental guidelines or instructions related to the operation and maintenance of military vehicles.
Step-by-step explanation:
The question "what is appendix g in tc 21-305-20?" refers to a specific appendix within a military training circular for the United States Army. TC 21-305-20 is a manual that covers training for operating various types of vehicles. Appendix G often pertains to supplemental materials or specific instructions related to the vehicle in question, such as operation checklists, maintenance guidelines, or additional safety procedures. It is critical for personnel to be familiar with all appendices as they provide essential information required for the safe and efficient operation of military vehicles.