CONTENTS
(Volume 69, Science and Technology Series,
25th AAS Goddard Memorial Symposium,
Visions of Tomorrow:
A Focus on National Space Transportation Issues

FOREWORD, Horace Jacobs vii

STUDENT PROGRAM - YOUR FUTURE IN SPACE: OPPORTUNITIES AND CHALLENGES 1

Introduction (AAS 87-100), David C. Honhart 3

Military (AAS 87-101), Charles Heimach 7

Civil Space/Federal (AAS 87-102), Thomas L. Moser 13

Industry (AAS 87-103), Caleb B. Hurtt 25

Science (AAS 87-104), Noel W. Hinners 31

Discussion ( MS 87-105), David. C. Honhart, Charles Heimach, Thomas L. Moser, Caleb B. Hurtt, Noel W. Hinners 43

INTRODUCTION TO THE TECHNICAL SESSIONS 59

Visions of Tomorrow: A Focus on National Space Transportation Issues - Opening Remarks (AAS 87-107), A. Thomas Young, Noel W. Hinners 61

Visions of Tomorrow: A Focus on National Space Transportation Issues - Keynote Address (AAS 87-108), Dale D. Myers 65

Visions of Tomorrow: A Focus on National Space Transportation Issues - Introduction (AAS 87-109), Philip E. Culbertson 71

CHANGING NEEDS FOR SPACE TRANSPORTATION 73

Introduction (AAS 87-110), Richard H. Truly 75

The DOD Space Transportation Plan: A Balanced Approach (AAS 87-111), William J. Foster 79

NASA Space Transportation Plans and Roles of a Mixed Fleet (AAS 87-112), Darrell R. Branscome 93

The Medium Launch Vehicle and Commercial Space Launch Services (AAS 87-113), C. James Dorrenbacher 97

A Survey of Foreign Launch Vehicles: Capabilities and Availability (AAS 87-114), John M. Logsdon 103

The Role of Commercial Space Launch Systems (AAS 87-116), Courtney A. Stadd 111

THE USERS’ REQUIREMENTS 117

Introduction (AAS 87-118), John H. McElroy 119

Space Launch Outlook (AAS 87-119), Charles W. Cook 121

Beyond Low Earth Orbit: A Survey of Upper Stages (AAS 87-115), David W. Thompson 131

The Future Space Transportation Needs for Commercial Applications (AAS 87-120) Richard E. Brackeen 137

The Future Space Transportation Needs for Space Science and Applications (AAS 87-121), William P. Bishop 147

Trajectory Analysis of a Low Lift/Drag Aeroassisted Orbit Transfer Vehicle (AAS 87-123), Robert D. Braun 163

A Summary of Future Space Transportation Needs (AAS 87-122), John H. McElroy 175

THE FAR FUTURE: BEYOND THE HORIZON 179

Introduction (AAS 87-124), Manuel Martinez-Sanchez 181

Shuttle II; A Look Ahead (AAS 87-125), Theodore A. Talay 185

LEO to GEO Transportation System Combining Electric Propulsion with Beamed Microwave Power from Earth (AAS 87-126), William C. Brown 195

National Aero-Space Plane (AAS 87-127), William M. Piland 219

Transportation Applications of Electric Propulsion (AAS 87-128), Graeme Aston 223

Laser Propulsion to Earth Orbit Has its Time Come? (AAS 87-129), Arthur Kantrowitz 247

Performance Analysis of a Laser-Powered SSTO Shuttlecraft (AAS 87-130), G. A. Nyberg, S. C. Hill, T. J. Mitty, K. Lidke, S. Poulin, L. N. Myrabo 263

CONCLUSION 307

Overview of Symposium (AAS 87-131), A. Thomas Young 309

Visions of Tomorrow: A Focus on National Space Transportation Issues - Closing Remarks and Adjournment (AAS 87-132), David C. Honhart 311

APPENDIX 313

Publications of the American Astronautical Society 314

Other Volumes in the Science and Technology Series 315

INDEX 319

Numerical Index 321

Author Index 325