This 1954 government military publication covers the instructions on how to survive an atomic bombing. This page shows what to expect after the bombing: Painful burns, falling debris, giving blood transfusions and fighting fire.
Photograph of an ambrotype of a Civil War Cavalry soldier with the regiment in California c. 1863.
This image is from 1919 and shows the interior of the Camp Fremont military library in Palo Alto, California.