$
<font size="4">Project 
^
'Apollo',0,'Mercury',1,'Gemini',0
was the first American manned space flight program.
<hr>
#
<p><font size="4">In a period 
^
'1961 - 1963',1,'1948 - 1956',0,'1966 - 1972',0
six manned space flights were
accomplished as a part of a
25-flight program.
<hr>
#
<font size="4">Project Mercury sent first
American astronauts into space -
first of them on a balistical &quot;jump&quot; and four onto the
^
'Moon',0,'Earth',1,'Sun',0
orbit.
<hr>
#
<font size="4">All 
^
'six',1,'four',0,'ten',0
manned space flights were accomplished with complete pilot safety
and without change to the basic Mercury concepts.