.  The OSIRIS-REx Mission was selected under the NASA New Frontiers program and is scheduled for launch in September of 0000 for a rendezvous with, and collection of a sample from the surface of asteroid Bennu in 0000. 000000 Bennu (previously 0000 RQ00) is an Apollo (near-Earth) asteroid originally discovered by the LINEAR project in 0000 which has since been classified as a potentially hazardous near-Earth object. The REgolith X-Ray Imaging Spectrometer (REXIS) was proposed jointly by MIT an