Add image of NACA witnesses at Senate

http://archive.org/stream/thisnewoceanhist00swen#page/84/mode/1up
Add image of Mercury Capsule Model in Spin Tunnel

http://grin.hq.nasa.gov/ABSTRACTS/GPN-2000-001884.html
Add image of wind tunnel preparations

http://archive.org/stream/thisnewoceanhist00swen#page/88/mode/1up