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United States Marine Corps - O-1 Second Lieutenant

Yearly Base Pay

$43,646 - $54,922

Monthly Base Pay

$3,637.20 - $4,576.80

Hourly Base Pay *

$22.73 - $28.61

Marine Corps Second Lieutenant - Rank Details

Second Lieutenant (2ndLt)

Classification Commissioned Officer
Abbreviation 2ndLt
NATO Code OF-1
Service United States Marine Corps
Address Lieutenant (last name)
What are a Second Lieutenant's Responsibilities?

A Second Lieutenant (2ndLt) is the lowest among Officer ranks in the USMC. This rank is held for two years until promotion to 1stLt.

Almost all new 2ndLts report to The Basic School (TBS) in Quantico, VA for six months of all-around combat training. Students qualify on weapons, act in each role of a fire team, practice land navigation, ride in tanks, shoot field artillery, do landings in Ospreys, and whatever else instructors decide is relevant. After TBS, students are assigned their Military Occupation Specialties (MOSs), which are awarded based on a student's preference and class ranking. After that, 2ndLts go on to their next schools, whether for Infantry, Field Artillery, Flight School, etc. All USMC Officers attend TBS -- Legal Officers attend as Captains, after completing Law School.

2ndLts are typically assigned a Platoon of 40-50 Marines, depending on their community. Upon arriving, new Officers must work hard to earn the respect of their Marines. Despite their authority over all the Enlisted ranks, 2ndLts require mentoring from their Non-Commissioned Officers (NCOs) in order to learn how to perform their duties and lead Marines in combat. The most successful 2ndLts are hard-working, humble, honest, and have a strong backbone when required. 2ndLts who refuse to heed the advice of their Platoon Sergeant and Squad Leaders tend to become socially isolated and perform poorly, with little chance of remediation. "Butter Bars" learn over time how to implement the skills they learned over the course of their training. Pilots will generally spend their entire tenure as 2ndLts in Flight School, unless the waiting period is extremely long, in which case they may temporarily support another community such as Infantry.

What is a Second Lieutenant's Paygrade?

A Second Lieutenant is considered a Commissioned Officer, with a paygrade of O-1. The civilian equivalent of this military rank is roughly GS-7 under the federal government's General Schedule payscale.

On this page you can learn more about a Second Lieutenant's payscale, the process of becoming a Second Lieutenant, and the history of the rank in the United States Marine Corps.

Seal of the Marine Corps Marine Corps Second Lieutenant Pay Calculator

Starting pay for a Second Lieutenant is $3,637.20 per month, with raises for experience resulting in a maximum base pay of $4,576.80 per month. You can use the simple calculator below to see basic and drill pay for a Second Lieutenant, or visit our Marine Corps pay calculator for a more detailed salary estimate.

Basic Pay:

Drill Pay:

n/a Learn more
For an O-1 Second Lieutenant with
years of experience.

Use the slider below to calculate the basic pay and drill pay for an O-1 Second Lieutenant at varying years in his or her military career.

2 or less years

Over 40 years

Equivalent Ranks to a Marine Corps Second Lieutenant

A Second Lieutenant is a Commissioned Officer, with a military paygrade of O-1. The civilian equivalent of this military rank is roughly GS-7 under the federal government's General Schedule payscale.

The table below lists the equivalent ranks of a Marine Corps Second Lieutenant, and their insignia, in the other four branches of the United States' Armed Services.

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