NASA logo

Sputnik Home

Background History

Bibliography

Biographies

Chronology

Documents

Explorer

The International Geophysical Year

Photo Gallery

Vanguard



Last Updated: July 27, 1998








NASA Logo

National Aeronautics and Space Administration

Vanguard, A History

NASA SP-4202




by

CONSTANCE MCLAUGHLIN GREEN
and
MILTON LOMASK



The NASA Historical Series


TABLE OF CONTENTS