The Navy’s chief information officer, Terry Halvorsen, will replace Teri Takai as the Pentagon's acting CIO on May 21, according to DoD spokeswoman Lt. Col. Valerie Henderson. Halvorsen has served as the Navy’s CIO since 2010. Prior to that, he was the deputy commander of Navy Cyber Forces. As Pentagon CIO, Halvorsen will oversee for several major initiatives started under Takai. As part of its vision for a Joint Information Environment (JIE), the Pentagon has aggressively pursued mobility, data center…