Joint Knowledge Online
On Saturday, 24 September 2016, at about 1900 hours ET, JKO Help Desk phone support will migrate to a new VOIP system. Calls to the JKO Help Desk may be temporarily interrupted during this migration. There is no change to the JKO Help Desk phone number; it remains 757-203-5654. The JKO LMS will remain fully operational with total access to all courses during this migration.

Welcome to JKO

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

JKO provides 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 uses the latest advanced distributed learning technologies to provide training courses and resources that better prepare warfighters for joint exercises and operations.

More About JKO

Contact Us

JKO Help Desk

24/7 with the exception of US Federal Holidays

DSN: 668-5654

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