00642nam 2200157z- 450 9910712643903321(CKB)5470000002495724(EXLCZ)99547000000249572420230509c2019uuuu -u- -engNEXT ion propulsion system risk mitigation tests in support of the Double Asteroid Redirection Test MissionNational Aeronautics and Space Administration, Glenn Research CenterCleveland, OhioBOOK9910712643903321NEXT ion propulsion system risk mitigation tests in support of the Double Asteroid Redirection Test Mission3306560UNINA