In the United States Navy, officers have various ranks. Equivalency between services is by pay grade. United States Navy commissioned officer ranks have two distinct sets of rank insignia: On dress un
USN Chaplian Insignia Buddhist 2
Lieutenant commander is considered a mid-grade officer rank in the United States Navy, the United States Coast Guard, the United States Public Health Service Commissioned Corps, and the National Ocean
United States Navy officer rank insignia
…Officers appointed to these grades are done via commission. O-1 through O-4 are junior officers: ensign, lieutenant (junior grade), lieutenant, and lieutenant commander. O-5 and O-6 are senior officers: commander and captain. O-7 through O-10 are flag officers: rear admiral (lower half) (one star), rear admiral (two…
A lieutenant commander providing medical care aboard USNS Comfort (T-AH 20); note golden oak leaf insignia.
Lieutenant commander James L. Garard wearing the standard combination cover (without embellishments or "scrambled eggs") as per regulations.