Military Occupational Specialty (MOS) Selection -Steel City Naval ROTC - Carnegie Mellon University

Military Occupational Specialty (MOS) Selection 

The United States Marine Corps is an amphibious force-in-readiness whose purpose is to project power from the sea to land.  Their mission is the seizure or defense of advanced naval bases and other land operations to support naval campaigns, and above all else, to win battles.  Aside from the support of Naval Operations, the Marine Corps also serves an expeditionary role in America's armed forces, being the proverbial "tip of the spear."  United States Marines are of the most highly trained and highly motivated fighting forces in the entire world, and take pride in the motto "First to Fight."

Marine Options have the choice to commission with a Ground contract or an Air contract upon graduation. If midshipmen are interested in Marine Corps Aviation, they are encouraged to discuss this with the Assistant Marine Officer Instructor at the NROTC Unit. Interested midshipmen are required to take the Aviation Selection Test Battery and physically qualify to beocme a student Naval Aviator or student Naval Flight Officer. Those interested in ground military occupation specialties (MOS) will be assigned a career path at The Basic School (TBS), a 6 month course taken upon commissoining and graduation from the NROTC Unit. 

To learn more about Marine Corps MOS selection and view career paths of a Marine Corps Officer, please visit