The Oath of a Marine is a solemn promise made by every individual who enlists in the United States Marine Corps. It is a commitment to defend the Constitution of the United States against all enemies, foreign and domestic, and to obey the orders of the President and the officers appointed over them. This oath is a cornerstone of the Marine Corps' values and is taken extremely seriously by all who swear it.
The exact wording of the Oath of Enlistment, which is also taken by Marines, is as follows: "I, [name], do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; and that I will obey the orders of the President of the United States and the officers appointed over me, according to the rules and regulations of the Marine Corps. So help me God." For those who choose to affirm rather than swear, the phrase "so help me God" is omitted.
Key Points
- The Oath of a Marine is a commitment to defend the Constitution and obey orders.
- It is taken by every individual who enlists in the United States Marine Corps.
- The oath is a cornerstone of the Marine Corps' values.
- Marines are expected to uphold the oath at all times, both on and off duty.
- The oath includes a promise to support and defend the Constitution against all enemies.
The Significance of the Oath

The Oath of a Marine is not just a formality; it is a serious promise that defines the role and responsibility of every Marine. By taking this oath, Marines acknowledge that they are part of a long tradition of service and sacrifice, and that they are committed to upholding the values of the Marine Corps. These values include honor, courage, and commitment, and are reflected in the Marine Corps’ motto, “Semper Fidelis” or “Always Faithful.”
The Role of the Oath in Marine Corps Culture
The Oath of a Marine plays a central role in Marine Corps culture. It is a reminder to all Marines of their duty to defend the Constitution and to obey the orders of their superiors. The oath is also a symbol of the bond that exists between Marines, and is often invoked in times of challenge or hardship. By taking the oath, Marines demonstrate their commitment to the Marine Corps and to each other, and reaffirm their promise to support and defend the Constitution.
Category | Description |
---|---|
Core Values | Honor, Courage, Commitment |
Motto | Semper Fidelis (Always Faithful) |
Oath | Support and defend the Constitution |

The History of the Oath

The Oath of Enlistment, which is also taken by Marines, has a long history that dates back to the American Revolution. The first oath of enlistment was taken by the Continental Army in 1775, and was used throughout the Revolutionary War. Over time, the oath has undergone several changes, but its core principles have remained the same. Today, the Oath of Enlistment is taken by all members of the US military, including the Marine Corps.
Evolution of the Oath
The Oath of Enlistment has evolved over time to reflect changes in the US military and in American society. In 1789, the first federal oath of office was established, which required all federal officials to swear an oath to support the Constitution. During the Civil War, the oath was modified to include a promise to defend the Constitution against all enemies, foreign and domestic. In 1959, the oath was again modified to include a promise to obey the orders of the President and the officers appointed over the enlistee.
In conclusion, the Oath of a Marine is a serious promise that defines the role and responsibility of every Marine. It is a commitment to defend the Constitution and to obey the orders of superiors, and is a cornerstone of the Marine Corps' values. By taking this oath, Marines demonstrate their commitment to the Marine Corps and to each other, and reaffirm their promise to support and defend the Constitution.
What is the Oath of a Marine?
+The Oath of a Marine is a solemn promise made by every individual who enlists in the United States Marine Corps. It is a commitment to defend the Constitution of the United States against all enemies, foreign and domestic, and to obey the orders of the President and the officers appointed over them.
Why is the Oath of a Marine important?
+The Oath of a Marine is important because it defines the role and responsibility of every Marine. It is a commitment to defend the Constitution and to obey the orders of superiors, and is a cornerstone of the Marine Corps’ values.
What are the core values of the Marine Corps?
+The core values of the Marine Corps are honor, courage, and commitment. These values are reflected in the Marine Corps’ motto, “Semper Fidelis” or “Always Faithful.”