When are service charlies aloud to be worn?

Service charlies, or service uniforms, are typically worn during official duties, ceremonies, and specific events that require a formal appearance, such as parades or memorials. They may also be worn during training exercises and other authorized functions. Each branch of the military may have its own specific regulations regarding when and where service charlies can be worn. It's essential for service members to consult their branch's guidelines for precise instructions.