Satellite-based GPS has become "contested" and "vulnerable" and can no longer be relied on, a top Pentagon IT official said.

Pentagon press briefing, Feb. 20, 2014. (left to right) Maj. Gen. Robert Wheeler, DOD deputy CIO for command, control, communications, computers and information infrastructure; Teri Takai, DOD…

Even as it struggles to define what it will look like and how it will operate in the post-Afghanistan era, the U.S. Army is also grappling with…

Despite the government shutdown and looming cuts to defense spending, the U.S. Army has managed to keep one of its major tactical modernization efforts moving forward with…