28,000 Hour Xenon Hollow Cathode LifeTest Results

Timothy R. Sarver-VerheyNYMA, Inc., Brook Park, OhioPrepared for the25th International Electric Propulsion Conferencesponsored by the Electric Rocket Propulsion SocietyCleveland, Ohio, August 24-28, 1997Prepared under Contract NAS3-27186National Aeronautics andSpace AdministrationLewis Research Center