Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Outline the following passage

### Input:
American astronauts have explored the moon since 1969. They have built bases, driven lunar rovers and collected samples.

### Response:
I. American Astronauts Explored the Moon 
A. 1969 moon landing 
B. Building bases 
C. Driving lunar rovers 
D. Collecting samples