The 3 is the rank of the sailor, indicating that they are an E-4 or 3rd Class Petty Officer. SB is their specialty and it stands for Navy Special Boat Operators (SB). They are also known as SWCC, which is Special Warfare Combatant-craft Crewmen. They operate the special boats used by SEAL teams and gun boats used in river warfare.
It does not stand for anything. The word navy is derived from the Latin word navigia meaning ships.
The initials 'MN' stand for Merchant Navy. Likewise, the initials RN stand for Royal Navy.
CYA in the Navy, like most places, stands for "Cover Your A$$.
Navy beans
The navy blue wheel that appears in the Indian Nation Flag Stand for Religion
SECNAV is an acronym for Secretary of the Navy
Anntimony is a metalloid. It does not form salts with Sb3+ or Sb5+. It can form Sb3- (similar to P3-) it can also form more complex anions such as Sb73- Antimony is more often encountered covalently bonded.
Repair Parts Petty Officer
Master Chief Petty Officer Of The Navy
MEW - Metalsmith (Welder)
Navy, Army & Air Force Institutes
Red Black and Navy Blue