Indent chapter 7
Style the table of chapter 7
Indent chapter 8
Add images of astronauts feeling responsible

http://archive.org/stream/thisnewoceanhist00swen#page/236/mode/1up
Add image of John Glenn in the Mercury Procedures Trainer

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2002-000044.html
Add image of Mercury Astronauts in Weightless Flight on C-131

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2002-000039.html
Add the remaining trainer/simulator images

http://archive.org/stream/thisnewoceanhist00swen#page/242/mode/2up
Split the trainer/simulator figure

One figure without any image... weird but effective.
Add the images of the Mercury control panel

http://archive.org/stream/thisnewoceanhist00swen#page/247/mode/1up