-
Cosmonaut Yuri Garagin became the first human in space.
-
-
Alan Shepard became the first American in space during a fifteen minute sub-orbital flight
-
The second US sub-orbital flight, reaching an altitude of 126 miles
-
Titov was the first to spend an entire day in space.
-
The first US manned orbital flight at an orbit 100-162 miles from the Earth.
-
The second US manned orbital flight which orbited the Earth three times.
-
First four-day flight and first "group" flight with Vostok-4.
-
This unclassified Department of Defense Shuttle mission was devoted to military scientific experiments.