Head of State

 is a Fallout 3 quest. It is also an Xbox 360 and PC achievement.

Objectives and walkthrough
The quest is given to you in Temple of the Union by Hannibal Hamlin. You need to help Caleb Smith clear the Lincoln Memorial of Super Mutants so he will be able to repair the broken statue with the head in his possession. You will need to find a picture of the Lincoln Memorial in the Museum of American History so he have reference materials that will help him repair the statue.

This quest also add an extra video sequence during the end video.