> 
> **Possible Duplicate:**  
> 
> [How to make a unit do x then y in Starcraft 2?](https://gaming.stackexchange.com/questions/5388/how-to-make-a-unit-do-x-then-y-in-starcraft-2) 
> 
> 
> 

I have seen people using their marines to scout terrirotty based on a predefined route. 

Go to A, go to B, return to A, got o C etc

From what i understand it is done through a series of clicks. But how?