At Marine Corps Officer Selection Station Denver, we seek leaders ready to shape decisions on the front lines. As a Marine Officer, you will develop the unyielding resolve, honor, and discipline to guide Marines under the toughest conditions. It’s through the rigors of the Officer Candidates School that you prove yourself worthy to stand among the Few who fight and win for our Nation. Visit or call (667) 893-4264 to begin your journey and learn more about how to commission.