* The deaths of Iverson, Leveque, Braz and Zimsky.
** Brazzleton's death scene is wrenching. Something about a guy withstanding 4000+ degrees and still pushing it for a cause he ''volunteered'' for...
* Serge's death, as well as the picture his daughter drew for him...
** Even worse is that he could've been saved had Beck flipped the override switches which is what Keyes kept telling her to do, but she didn't. Keyes then calls her out on this.