COOL (Credentialing Opportunities On-Line) helps Marines find information on certifications and licenses related to their Military Occupational Specialties (MOS). COOL explains how Marines can meet civilian certification and license requirements and provides links to numerous resources to help get them started. COOL can also help you understand ways to get a credential or complete your education in order to maximize your professional development. Click on the Marine Corps COOL link and handout for more information.