46 C.F.R. § 310.65
(a) Classes enrolled prior to April 1, 1982.
(1) A midshipman will be graduated from the Academy upon the successful attainment of the following requirements:
(3) In return for the education received at Government expense, each applicant shall sign an agreement to serve in one of the following categories immediately after graduation:
(b) Classes enrolled after April 1, 1982.
(1) A midshipman will be graduated from the Academy upon the successful attainment of the following requirements: