NASA-CR-204666 //" ,_ ~'_. " t'- .} AdvancedPropulsion for GeostationaryOrbitInsertion and North-SouthStation Keeping S. R. Oleson, R. M. Myers, C. A. Kluever, J. P. Riehl, E M. Curran Reprinted from Journal dSpacecraft and Rockets Volume34, Number1, Pages22-28 dAMA_ Apublicationof the AmericanInstituteofAeronauticsandAstronautics, Inc. 1801 AlexanderBellDrive,Suite 500 Reston,VA20191-4344