DARPA Imagines Electric VTOL March 9, 2016/Client: DARPA /by Christina KornegayDARPA Imagines Electric VTOL Christina Kornegay https://spirecommunications.com/wp-content/uploads/2017/12/SpireLogo-300x138.png Christina Kornegay2016-03-09 09:10:212016-03-09 09:10:21DARPA Imagines Electric VTOL