UNITED STATES NAVY
Seaman Apprentice is the second lowest enlisted rank in the U.S. Navy and U.S. Coast Guard, just above Seaman Recruit and below Seaman; this rank was formerly known as Seaman Second Class.
The actual title for an E-2 in the U.S. Navy varies based on the community to which the sailor belongs. Likewise, the color of their group rate marks also depends on their community.
No stripes are worn on the working uniforms - coveralls or utilities.
- Those in the general deck and administrative community are Seamen Apprentice. They wear White stripes on navy blue uniforms, and navy blue (black) stripes on white uniforms.
- Hospital Corpsmen are Hospital Apprentice. They are the only rate in this community. They wear White stripes on navy blue uniforms, and navy blue stripes on white uniforms.
- Dental Techs are called Dental Apprentice. They are the only rate in thie community. They wear White stripes on navy blue uniforms, and navy blue stripes on white uniforms.
- Those in the engineering and hull community are called Firemen Apprentice and wear red strips on both navy blue and white uniforms.
- Those in the aviation community are called Airmen Apprentice and wear green stripes on both navy blue and white uniforms.
- Seabees are called Constructionmen Apprentice and wear light blue stripes on both navy blue and white uniforms.
Sailors who have completed the requirements to be assigned a rating and have been accepted by the Bureau of Naval Personel as holding that rating (a process called "striking") are called Designated Strikers, and are called by thier full rate and rating in formal communications (ie, Machinist's Mate Fireman Apprentice, as opposed to simply Fireman Apprentice), though the rating is often left off in informal communication. Those who have not officially been assigned to a rating are officially referred to as "Undesignated" or "Non-rates."