1
Name of the rocket that sent America's first man in space
2
Names of first animals to orbit the earth and return alive
3
First American in space
4
First human to perform an EVA
5
First American to orbit the earth
6
First human in space and to orbit the earth
7
First animal in space
8
First American space program
9
Name of the rocket that sent American to the moon
10
Name of the rocket used in second American space program
11
First artifical satelittle
12
First American to perform an EVA
13
Third American space program
14
Second American space program
15
Name of the first animal to orbit the earth