Joint Knowledge Online

Welcome to JKO

We are the Department of Defense (DoD) unique and authoritative source for online joint training.

JKO supports continuous, career-long development of joint knowledge and joint readiness for individuals, staffs, Combatant Commands, Combat Support Agencies, and the Services.


Senior Enlisted Joint Professional Military Education (SEJPME) is now available!


Check this area for future news announcements.

About Us

Joint Knowledge Online is the enterprise portal system providing convenient access to online joint training and information resources. JKO integrates with other DoD systems and uses the latest advanced distributed learning technologies to provide training courses and resources that better prepare warfighters for joint exercises and operations.

Contact Us

JKO Help Desk

24/7 with the exception of US Federal Holidays



Security and Privacy Statement