When are Force Revisions updated onboard TRUMAN?

The correct choice emphasizes the schedule established for Force Revisions on board the TRUMAN, specifically occurring in April and October, aligned with the 1st and 4th Calendar Year Quarters. This twice-a-year update is critical for ensuring that personnel have the most current information regarding organizational changes, personnel assignments, and operational readiness.

Having these revisions in April and October allows for synchronization with fiscal or operational planning cycles, making it efficient in terms of training and logistical planning. Keeping these revisions on a set schedule enables crew members to anticipate updates and prepare accordingly, facilitating a smoother transition and maintenance of readiness throughout the year.

In contrast, other options propose different months that do not correspond to the established framework for these updates or do not align as effectively with operational or planning timelines, thus rendering them unsuitable for the requirement stipulated in the question.