June 1942 - 1945
% complete
http://www.augustana.edu/x18027.xml
1943 - 1949
http://wwiifrecker11i.wikispaces.com/file/view/Atomic_bomb/263221744/320x219/Atomic_bomb
1950 - 1960
http://upload.wikimedia.org/wikipedia/commons/f/ff/Wernher_von_Braun.jpg
July 1955
http://superradnow.files.wordpress.com/2012/09/spy.jpeg
1957
http://upload.wikimedia.org/wikipedia/commons/b/be/Sputnik_asm.jpg
December 6, 1957
http://upload.wikimedia.org/wikipedia/commons/6/62/Vanguard_rocket_explodes.jpg
1969
http://upload.wikimedia.org/wikipedia/commons/5/54/Convert_ru_kosmos077.jpg
july 1969
http://upload.wikimedia.org/wikipedia/commons/9/9d/As11-40-5886.jpg