The Pentagon's No. 2 official has unveiled five technology areas that will guide future investments in new weapons capabilities as well as drive organizational and operational experimentation as part of a so-called "Third Offset Strategy" -- the Defense Department's new paradigm to strengthen conventional deterrence against Russia and China. Deputy Defense Secretary Bob Work, in remarks delivered Dec. 8 via satellite from the Pentagon to an audience at the Royal United Services Institute, a London think thank, revealed the technological...