Trudy doesn't stop walking - it's easier not to look at her - but she does talk.

"Because I'd spent the afternoon trying to retrieve as much of a platoon of people I lived with and worked with as I could. Ever had to spend hours picking up the corpses of your friends, Doc? It ain't pleasant. Because we die for you, and people like McKinley, and all we get are insults. And because Ingrid Schmidt was one of my closest friends, and my co-pilot, before she was killed." She remembered my birthday, and then she died. "And, well, McKinley didn't back down."