Final answer:
The appointment of a VCO (Venture Corporal) and VCNCO (Venture Corporal Non-Commissioned Officer) usually involves a formal selection process by higher-ranking officers or officials within a military or organizational structure. In an educational setting like JROTC, such roles may be appointed by the program leader or instructor.
Step-by-step explanation:
The acronyms VCO and VCNCO seem to refer to positions typically found within military or organizational hierarchies, standing for 'Venture Corporal' and 'Venture Corporal Non-Commissioned Officer' respectively. However, the formal context or organization they are associated with is not specified in the question. In most military and paramilitary organizations, such appointments are usually made through a formal selection process. The precise appointing authority can vary depending on the country and its military or organizational structure. In general, higher-ranking officers or officials within the organization are responsible for the appointment of VCOs and VCNCOs. For instance, in a military context, this could be the responsibility of a commanding officer, while in a non-military organization it might be a senior executive or board of directors.
In educational or instructional settings such as JROTC or cadet programs, which might be the context given the nature of the platform this question has been asked on, such positions might be appointed by the instructor or program leader. Without more specific information, it's difficult to give a precise answer. Always remember that the process for appointments can differ based on the nature and structure of the organization in question.