What is the rank designation for E-3 in the US Coast Guard?

The rank designation for E-3 in the US Coast Guard is Seaman (SN). This rank is part of the enlisted personnel structure within the Coast Guard and is one step above the rank of Seaman Apprentice (E-2). As an E-3, a Seaman has typically completed the required training and has gained some experience, making them equipped to take on more responsibilities compared to their predecessors. The title of Seaman signifies a non-rated enlisted member who is in training for a specific job or specialty within the service, preparing to progress further in their career.

In the context of the other options, Seamen Apprentice (E-2) is a rank below E-3, while Commodore and Captain are officer ranks, which are not applicable to the E-3 enlisted level. Understanding these distinctions and the progression of ranks helps clarify the structure within the Coast Guard, highlighting the significance of the Seaman rank among enlisted personnel.