DAYTON, OH -- The Pentagon's top research official is assembling a group of liaisons to the services as they pursue the science and technology priorities laid out in the National Defense Strategy, an Air Force Research Laboratory official said this week. Under Secretary of Defense for Research and Engineering Mike Griffin has hired one person to oversee directed-energy development and plans to do the same for other areas like artificial intelligence and hypersonics, according to AFRL Executive Director Jack Blackhurst...