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 stars), vice admiral (three stars), and admiral (four stars).
People also ask
What is the order of rank in the Navy?
What rank is 6 years in the Navy?
What rank are navy seals?
How long does it take to rank up in the Navy?