Read News Release 09-03 NASA Dryden Flight Research Center director Kevin L. Petersen addresses dignitaries and news media representatives during unveiling of NASA's first Global Hawk autonomously operated aircraft at the center Jan. 15. This is one of two that will be used by NASA for Earth science missions and by Northrop Grumman Corp. for follow-on developmental testing. January 15, 2009 NASA Photo / Tom Tschida ED09-0010-023
