Northrop space inertial reference system for SIBRS satellite
Wednesday, April 29, 2015 - 13:30
in Astronomy & Space
Richard TomkinsWOODLAND HILLS, Calif., April 29 (UPI) -- The U.S. Air Force's sixth Space Based Infrared System satellite is to feature a space inertial reference system from Northrop Grumman.