User:Rotaretilbo/Rank

Summary
This is an open source. Please update it as you discover yet unrecorded confirmed ranks.

Marine Corps

 * Private: Confirmed
 * Private First Class: Confirmed
 * Lance Corporal: Confirmed
 * Corporal: Confirmed
 * Sergeant: Confirmed
 * Staff Sergeant: Confirmed
 * Gunnery Sergeant: Confirmed
 * Master Sergeant: Confirmed
 * First Sergeant: Unconfirmed
 * Master Gunnery Sergeant: Confirmed
 * Sergeant Major: Confirmed


 * Warrant Officer: Unconfirmed
 * Chief Warrant Officer: Unconfirmed


 * Second Lieutenant: Confirmed
 * First Lieutenant: Confirmed
 * Captain: Unconfirmed
 * Major: Confirmed
 * Lieutenant Colonel: Unconfirmed
 * Colonel: Confirmed
 * Brigadier General: Unconfirmed
 * Major General: Confirmed
 * Lieutenant General: Unconfirmed
 * General: Confirmed

Navy

 * Crewman Recruit: Unconfirmed
 * Crewman Apprentice: Unconfirmed
 * Crewman: Confirmed
 * Petty Officer Third Class: Confirmed
 * Petty Officer Second Class: Confirmed
 * Petty Officer First Class: Confirmed
 * Chief Petty Officer: Confirmed
 * Senior Chief Petty Officer: Confirmed
 * Master Chief Petty Officer: Confirmed


 * Warrant Officer: Confirmed
 * Chief Warrant Officer: Unconfirmed


 * Ensign: Confirmed
 * Lieutenant, Junior Grade: Confirmed
 * Lieutenant: Confirmed
 * Lieutenant Commander: Confirmed
 * Commander: Confirmed
 * Captain: Confirmed
 * Rear Admiral Lower: Confirmed
 * Rear Admiral Upper: Unconfirmed
 * Vice Admiral: Confirmed
 * Admiral: Confirmed
 * Fleet Admiral: Confirmed

Conclusion
There are 45 total ranks in question. 34 are confirmed; 12 are unconfirmed. There are 0 discrepencies. Letter - RE:UNSC Ranking System