Navy ranks
Marine core ranks
officer ranks 1
officer ranks 2
Navy facts
100

What is E1, E2,  in the navy

Seaman Recruit, Seaman Apprentice, 

100

What is E1, E2 in the Marines

Private, Private First Class 

100

What is a O-1 in the Navy and the Marines

Ensign, Second Lieutenant 

100

What is a O-6 in the Navy and the Marines

Colonel, Captain

100

The weight of the volume of water that a ship displaces when afloat, in other words, the weight of a ship by itself.

What is Displacement

200

what is E3,E4 in the navy

Seamen, Petty Officer 3rd class

200

What is E3, E4 in the Marines

Lance Corporal, Corporal

200

What is a O-2 in the Navy and the Marines

Lieutenant Junior Grade, First Lieutenant 

200

What is a O-7 in the Navy and the Marines

Brigadier General, Rear Admiral Lower Half 

200

The convincing a potential enemy that an attack on the US is ill-advised and possibly resulting in devastation.

Examples of force supporting deterrence:

Nuclear submarines

Strategic missile submarines

What is Strategic Deterrence

300

What is E5, E6 in the Navy

Petty officer 2nd class, Petty officer 1st class

300

What is E5, E6 in the Marines

Sergeant, Staff Sergeant

300

What is a O-3 in the Navy and the Marines

Captain, Lieutenant

300

What is a O-8 in the Navy and the Marines

Major General, Rear Admiral Upper Half 

300

The referring to keeping seas open to the US, its allies and other friendly nations, as well as denying potential enemies access.

What is Sea Control

400

What is E7, E8 in the navy

chief petty officer ,senior chief petty officer 

400

What is E7, E8 in the Marines

Gunnery Sergeant, Master Sergeant

400

What is a O-4 in the Navy and the Marines

Major, Lieutenant Commander 

400

What is a O-9 in the Navy and the Marines

Lieutenant General, Vice Admiral 

400

when was the United States Navy established

October 13, 1775

500

What are E9's in the navy

Master chief petty officer, Fleet/command Master chief petty officer, Master chief petty officer of the navy

500

What are the E9's in the Marines

First Sergeant, Master Gunnery Sergeant, Sergeant Major, Sergeant Major of the Marine Corps 

500

What is a O-5 in the Navy and the Marines

Lieutenant Colonel, Commander

500

What is a O-10 and O-10 (Reserved for wartime only)in the Navy and the Marines

General, Admiral, Fleet Admiral

500

The direction on a navy ship from the center line is

port side and starboard side