Step 2: Get one of those really thick books, like the book: how to make an A-Bomb
Step 3: Using the books as booster chairs at the table, feed Uranium with food to some mad squirrels
Step 4: Train the radioactive squirrels to do what you say
Step 5: have a thousand run ahead of you into a missle silo, biting anyone they see
Step 6: Go to missle silo and shoot the moon with a nuke
Step 7: the moon will explode, and firey death will rain down from the skies to destroy everything
Step 8: make sure to be in a space station when this happens