Joint Knowledge Online

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.

More About JKO


● Check it out! Our new release, deploying in July 2020, not only introduces new branding and an updated look, but, we are using responsive web design so that you can access all the great content using a desktop, tablet or smartphone without requiring a special app.

Video [9.5 Release Rollout Video]