Army Knowledge Online

Army Knowledge Online (AKO) is the world's largest corporate intranet, and the US Army's single approved enterprise-class web portal. AKO provides secure access to Army web assets, tools and services to Soldiers, Army employees, retirees and family members worldwide. AKO is a driving factor in the ongoing transformation of the US Army into the agile, network based force that is required for today's conflicts. As of this writing, AKO has almost 1.8 million registered users, and supports over 314K unique logins and 8 million emails daily.
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