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General |
O-10 |
Gen |
Can serve as Commandant of the Marine Corps, commander of major military command or act Chairman/Vice-chairman of the Jount Cheifs of Staff if appointed. |
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Lieutenant General |
O-9 |
LtGen |
Commands corp-sized units (Marine Expeditionary Forces). |
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Major General |
O-8 |
MajGen |
Commands division-sized units. |
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Brigadier General |
O-7 |
BGen |
Serves as Deputy Commander of division-sized units. |
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Colonel |
O-6 |
Col |
Commands brigade-sized units. |
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Lieutenant Colonel |
O-5 |
LtCol |
Commands battalion-sized units. |
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Major |
O-4 |
Maj |
Serves as Executive Officer (XO) of battalion-sized units. |
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Captain |
O-3 |
Capt |
Commands company-sized units. |
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First Lieutenant |
O-2 |
1stLt |
Serves as Executive Officers (XOs) to company-sized units. |
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Second Lieutenant |
O-1 |
2ndLt |
Lead platoon-sized units, and generally come straight from ROTC, The US Naval Academy, or Officer Candidate School. |
