In World War I, the rank of S2 (or Seaman Second Class) in the United States Naval Reserve Force (USNRF) was an entry-level rank for enlisted personnel. It was equivalent to the rank of Private in the Army and was one rank above Seaman Third Class (S3). Sailors at the S2 rank were typically responsible for basic duties aboard naval vessels and in support roles as needed.
Usually the officers rank is abbreviated such as LT for lieutenant. As for naval officers in general I have seen it written USNO but it would have to be used in specific content to make sense to someone.
A person who is in charge of a navy is typically referred to as an Admiral. This rank is often the highest in naval forces, and the individual may oversee naval operations, strategy, and personnel. In some countries, the term "Commander" might also be used for those in charge of specific naval units or vessels.
Naval officers carry swords as a symbol of their rank and authority, representing their commitment to service and tradition within the naval profession. The sword is also a ceremonial item used during formal occasions and events, reflecting the history and heritage of naval warfare. Additionally, it serves a practical purpose in certain contexts, although its use in combat has become largely symbolic in modern times. Overall, the sword embodies the ideals of honor, discipline, and leadership within the naval community.
The term 'wren' - was the nickname given to members of the Women's Royal Naval Service (WRNS)
The silver heart
the naval rank below captain is Commander
Probably Gunnery Sergeant major, given that "sm" for Sergeant major is a very common abbreviation.
The rank "SN" signifies Seaman.
Should a midshipman complete the course and refuse their commission they are given an enlisted rank and sent to the fleet.
The community rank given by Anna University is the rank that is given by students. There will be an overall rank and a community rank which will have the students that live in certain areas and their rankings.
Ensign in the Navy or 2nd Lt in the Marines
Gary Roughead, he is the current Chief of Naval Operations. His rank is that of a 4 star admiral which is the highest rank that can be given during peace time.
An ammiral is an obsolete term for an admiral, a naval officer of the highest rank - the commander of a country's naval forces.
It doesn't appear to be a rank, it's probably "Office of the President"
Ishmael is given the rank of Commander for his exceptional performance.
Lieutenant David Dixon Porter became the second Union naval officer to be promoted to the rank of admiral on October 9, 1862. Porter had been elevated over eighty other officers and was given control of the Union's Mississippi Squadron. Porter's exceptional organization skills along with his superior understanding of combined army and naval operations helped his promotion.