How do I beat the Dozier drill?

Hint 1 of 5:

This drill is explained by the instructor.

Hint 2 of 5:

But if you still need help, keep reading.

Hint 3 of 5:

You have to shoot down all five targets under five seconds.  You can reload
as necessary.

Hint 4 of 5:

One hint is to make sure your gun is loaded at the beginning of the drill.