What does TC 3-21.5 (FM 3-21.5) cover?

The correct answer, which is focused on Drill and Ceremony, reflects the content of TC 3-21.5 (FM 3-21.5). This field manual provides comprehensive guidelines and procedures for conducting drill movements and ceremonies within Army formations. It is essential for establishing discipline, teamwork, and cohesiveness among soldiers, as well as for ensuring that ceremonies are conducted in a standardized, professional manner. Drill and ceremony are fundamental aspects of military training, serving as a means to develop and reinforce precision and attention to detail, critical components of effective military operations.

The other options, while relevant to various aspects of military training and operations, do not pertain to the specific focus of TC 3-21.5. Leadership principles, while vital for guiding behavior and promoting effective management within the army, are addressed in separate resources. Physical fitness training is outlined in different manuals that emphasize exercise regimens and wellness programs, and administrative procedures are covered in distinct regulations that deal with organizational management and bureaucratic processes.