Final answer:
Military uniform regulations determine the correct length of a Male Officer/CPO boat cloak; however, the provided information does not specify this measurement. Reference to the specific military branch's uniform guide is needed for the accurate answer.
Step-by-step explanation:
The question pertaining to the length of the Male Officer/CPO boat cloak and how far it should extend below the kneecap is specific to military uniform regulations. Typically, this information would be included in the uniform regulation guide for the particular branch of the military. However, it does not appear that the provided reference information directly answers the question. It is important to refer to the specific military branch's dress instructions or uniform regulations for the correct measurement, as this can vary by country and service.