Final answer:
Voluntary extensions for OCS are not authorized if the aggregate of all extensions during the current enlistment exceeds a certain number of months, but the specific number of months was not provided in the question.
Step-by-step explanation:
Voluntary extensions for OCS, or Officer Candidate School, are not authorized if the aggregate of all extensions during the current enlistment exceeds a certain number of months. However, the question does not specify the specific number of months. The length of OCS extensions varies depending on the branch of the military and the individual's circumstances.