TC 21-305-20 serves as a manual for which type of operator?

The manual TC 21-305-20 is specifically designed to provide guidelines and training for wheeled vehicle operators in the Army. It includes comprehensive information on the operations, maintenance, and safety procedures relevant to wheeled vehicles, which are essential for effective mobility and logistics within military operations. This manual ensures that operators are well-equipped with the knowledge and skills necessary to safely and efficiently handle wheeled vehicles, thereby contributing to overall mission success.

The other options refer to different categories of vehicle operations that are not covered by TC 21-305-20, focusing instead on tracked or aerial vehicles or specialized vehicles that may have separate training manuals. Therefore, the designation of TC 21-305-20 as targeting wheeled vehicle operators is correct, as it reflects the specific training and information needs pertinent to those types of vehicles.