Smithsonian Air and Space Museum: Lecture, Film and Comments on “Time and Navigation” exhibit
Cast members get ready to film the video for “Time and Navigation,” which will explain concepts from the point of view of five characters from different historical periods(Smithsonian image)"GPS for Humanity-The Stealth Utility" is the title of a lecture by GPS pioneer Brad Parkinson that will be webcast live at 8 p.m. EST on Thursday, March 21 from the Lockheed Martin Imax Theater at the Smithsonian National Air and Space Museum on the Mall in Washington D.C.
By Inside GNSS




