NASA
<p>NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
</p><p>FOR RELEASE: May 16, 1978
</p><p>PHOTO NO. 78-HC-172
</p><p>ASTRONAUT CANDIDATES
</p><p>FROM LEFT TO RIGHT
</p><p>RONALD E. MCNAIR
GUION S. BLUFORD
</p>
FREDERICK D. GREGORY
NASA
1978-05-16
NASA file photo 78-HC-172