DOD’s IPv6 Transition Lags

While DoD has hit several milestones along the way, a lack of a coordinated effort on the part of the CIO office and U.S. Cyber Command prevented an enterprise-wide switchover, according to an inspector general report from December 2014 that was recently made public.

https://fcw.com/articles/2015/04/07/ipv6-migration.aspx