Keywords: US Navy 110928-N-KV696-072 Naval District Washington (NDW) officials present their smart grid pilot to John Conger, Assistant Deputy Under Secretar.jpg en WASHINGTON Sept 28 2011 Naval District Washington NDW officials present their smart grid pilot to John Conger Assistant Deputy Under Secretary of Defense for Installations and Environment during a presentation at the Washington Navy Yard The team displayed energy conservation technology such as the Energy Guard a wireless sensor interface device for digital control systems and the Virtual Fence a wireless video sensor for critical infrastructure protection U S Navy photo by Mass Communication Specialist 2nd Class Kiona Miller/Released 2011-09-28 110928-N-KV696-072 Navy http //www navy mil/view_image asp id 108065 U S Navy photo by Mass Communication Specialist 2nd Class Kiona Miller PD-USGov-Military-Navy Washington Navy Yard Energy conservation |