Written by Kaye S.
Duration of Sea & Shore Duties
in a Rate's Career Path
Link to: Original Unclassified USN Memo
Reading left to right, the first column gives the months of duration for a given rate's first sea duty, followed by the subsequent first shore duty - if a shore duty is requested and approved.
The second column gives the duration of a rate's second sea and subsequent shore duties, and so on... The last column ("Notes") indicates additional details found in the original USN memo (link above).
The Navy no longer grants back-to-back shore duties, but will grant back-to-back sea duties. The first assignment for ALL sailors is a sea duty.