What is the name of the 9-week officer preparation course attended by all selectees before their university assignment?

The correct answer is the Naval Science Institute. This program is specifically designed to prepare selectees for their upcoming assignments at various universities, providing them with the foundational knowledge and skills necessary for a successful transition into officer roles.

The curriculum typically includes courses on leadership, naval history, and professional ethics, all aimed at fostering both academic and practical competencies that are essential in the naval service. The focus on officer preparation ensures that selectees are well-equipped to meet the challenges they will face in their roles, both in academic settings and in future naval assignments.

Other options, such as the Officer Candidate School, relate to different stages of officer training and preparation but do not serve the same purpose as the Naval Science Institute, which is specifically tailored for the initial preparation phase before entering a university program.