Final answer:
Female soldiers are allowed to wear ponytails anytime, if the ponytail does not interfere with the wear of headgear.
Step-by-step explanation:
Female soldiers are allowed to wear ponytails anytime, if the ponytail does not interfere with the wear of headgear. This means that as long as the ponytail does not disrupt the proper fit and function of helmets or other headgear, it is allowed. However, during physical training, formal events, or combat missions, other hairstyles may be more practical and appropriate.