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Difference Between Navy And Marines

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The main difference between the marine and the Navy is the role and responsibility. While marines are a part of the Navy, they’re far advanced and versatile in terms of responsibilities.

The navy offers its services that are confined to water bodies, especially seas and oceans falling under a given country’s territory. On the other hand, Marines are expected to serve on the land and water. That demands extensive training and improved adaptability to adjust to varying environments.

What is the Navy?

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U.S. Navy Sailors

The Navy is expected to offer its services in case of conflict on the country’s seas. Navy personnel is referred to as a “Sailor”.  For instance, the U.S. navy is preferred to resolve conflicts within the U.S.’ water bodies. Moreover, the Navy remains deployed on the water body for a quick response and better control over the situation, proving to be highly efficient during emergencies. The Navy can attack the enemies and illegal intruders as needed. The Navy is equipped with heavy artillery and other infrastructure to accomplish its missions.

What is the Marine?

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U.S. Marines during Training

Marines are versatile in terms of training, responsibilities, and combat techniques, hence becoming far more advanced than any navy personnel. They’re never confined to a zone or two. Expect them to take charge of the situation whether the conflict arises on land or water. In the absence of or lacking an army and/or navy, marines can always make up for the lacking personnel to take control of the situation. They’re quick, highly responsive, and efficient in their actions, hence becoming highly versatile. Marines are prominently deployed in supplement to the navy. They barely work together with the army, but that doesn’t mean that the marines are never open to aiding the army when needed.

Differences Between Navy And Marine

Work Position

Despite being an independent body, the marine works under the Navy. They’re dependent on the Navy for any actions in any given situation. The Navy is a higher authority than the marine, which supplies the marines with facilities such as doctors, nurses, etc. The marine authorities are supposed to report to the navy seal authorities.


When it comes to the marine, its personnel structure resembles that of the army. Both have squadrons, battalions, etc. Marines are divided into three categories- aircraft units, expeditionary forces, and basic units.

The Navy follows a highly complex categorization and personnel structure. For instance, the Indo-pacific Command, which is a part of the U.S. navy, ensures the protection of all the U.S. ally countries and freedom of seas across the globe. It’s the largest navy unit that’s in action on this planet.

Responsibility Zones

The Navy’s operations remain confined to the seas and oceans. Their combat zone is always a water body, whether attacking, intruding, or defending any given territory. Moreover, the Navy aids the airforce by offering on-water launchpads and/or runaways for the fighter jets. Such a facility ensures smooth take-off and landing of the airforce fighter jets to secure efficient combat mid-water. Fueling the aircraft is another responsibility, whether a passenger or fighter aircraft.

Marines can be deployed on water and land, hence also becoming amphibians. They can attack, defend, or intrude on a territory as needed. Marines may also be deployed to control civil war-like situations, take part in wars, and ensure a smooth flow of peace within the territory.

Training Style & Level

Marines go through tougher training than the sailors. Surprisingly, the sailors are trained on the land but still near a large water body. Marines take about 14 weeks to complete their training, while the sailors are ready for deployment in under 10 to 12 weeks.

Sailors Or Soldiers

It’s a myth to consider a marine as a soldier. Soldiers are only army personnel, while marine personnel is always called marine. It’s their reputation that must be honored. Navy personnel is also called “navy sailor”.

Comparison Chart: Navy Vs Marine

Freedom levelHigher flexibility and freedomBeing accountable to the navy restricts their freedom
FoundedOctober 13, 1775 (The U.S Navy)November 10, 1775 (The US Marine)
SpecializationCombat, support, and defense of water bodiesCombat, support, and defense on water and land
ToughnessSailors are slightly less tough than the marinesTougher than the navy personnel
NicknamesMarines call navy personnel squids, prima donnas, etc.Devildogs, letherneck, etc.


The personnel in both organizations are paid almost the same. Moreover, they’re meant for special operations and ready for deployment immediately. The troops in both organizations undergo heavy training, tougher than any training throughout the world. Both have specialized uniforms to differentiate the personnel. Every country has its marines and navy sailors.

Frequently Asked Questions

How tough is getting into the marine?

Being a marine is never as easy as imagined. The trainee would have to undergo infernal training. Expect to go through a physical test, examination, and extensive training. The U.S. marine Bootcamp lasts for about 13 weeks.

What are the job opportunities for marines?

After clearing the test to become a marine, a person can be an air traffic controller, cyber security expert for the marines (marine technician), an intelligence specialist (counterintelligence), explosive disposal expert/technician, combat photographer, avionics maintenance expert, fiscal resource manager and analyst, a marine corp pilot, engineer held responsible for the construction of on-field facilities like tents, bunkers, and deployment of other equipment such as mortar, etc.

How’s the life of a marine corp after 4 years of service?

The marines are entitled to personal housing, retirement plans, education facilities, free travel through various modes of transportation, benefits to spouses, etc. 


By the end of this article, it’s safe to conclude that marines and navy sailors are beyond comparison. They undergo rigorous training, which ain’t a cup of tea for every marine or navy aspirant. Not only the training, but the life of a marine or navy seal is far more complicated and tough. However, the retirement plans are worth it. Moreover, honor and respect, pay scale, and the satisfaction of serving the nation are some perks that are incomparable with monetary assets.


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About the Author: Nicolas Seignette

Nicolas Seignette, who holds a scientific baccalaureate, began his studies in mathematics and computer science applied to human and social sciences (MIASHS). He then continued his university studies with a DEUST WMI (Webmaster and Internet professions) at the University of Limoges before finishing his course with a professional license specialized in the IT professions. On 10Differences, he is in charge of the research and the writing of the articles concerning technology, sciences and mathematics.
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