Which item must recruits wear during physical training?

Recruits are required to wear the Navy physical training uniform (PTU) during physical training to ensure uniformity, discipline, and identification within the Navy ranks. The PTU is specifically designed to be functional and appropriate for the activities that recruits engage in, such as running, calisthenics, and other physical exercises. This uniform helps to instill a sense of pride and camaraderie among the recruits, as they all wear the same attire, highlighting their commitment to the Navy and its standards.

Using a designated uniform like the PTU also aids in maintaining safety and performance, as these uniforms are designed for the rigorous demands of physical training activities. The choice of attire is important for fostering a professional environment and ensuring that all recruits meet the operational requirements of Navy training programs. Other options, such as regular workout clothes or casual athletic wear, do not meet the specific regulations set by the Navy and could lead to inconsistencies in training and discipline. The Army physical training uniform is not applicable as each branch of the military has its own specific uniforms for training purposes.