<p>lets see we shall make a quick reference here</p>
<p>E-1 Seaman Recruit
E-2 Seaman Apprentice
E-3 Seaman
E-4 Petty Officer 3rd Class
E-5 Petty Officer 2nd Class
E-6 Petty Officer 1st Class
E-7 Chief Petty Officer
E-8 Senior Chief Petty Officer
E-9 Master Chief Petty Officer
CWO-1 Chief Warrant Officer 1
CWO-2 Chief Warrant Officer 2
CWO-3 Chief Warrant Officer 3
CWO-4 Chief Warrant Officer 4
CWO-5 Chief Warrant Officer 5
O-1 Ensign(Second Lieutenant)
O-2 Lieutenant Junior Grade(First Lieutenant)
O-3 Lieutenant(Captain)
O-4 Lieutenant Commander(Major)
O-5 Commander(Lieutenant Colonel)
O-6 Captain(Colonel)
O-7 Rear Admiral Lower Half(Brigadier General)
O-8 Rear Admiral Upper Half(Major General)
O-9 Vice Admiral(Lieutenant General)
O-10 Admiral(General)
O-10* Fleet Admiral(no marine equivalent)</p>
<p>For navy E-1 through E-3 there are multiple titles. They are Seaman, Airman, Fireman, Constructionman, Hospitalman, Dentalman
Fleet Admiral is a five star admiral and the rank is only given in times of war
Master Chief is further broken down into more categories such as, Force Master Chief, Fleet Master Chief, Master Chief Petty Officer of the Navy, Command Master Chief, CNO directed Command Master Chief</p>