"Defense Storm is a service of Storming Media providing unclassified papers from the Pentagon. Most are of a scientific or policy nature." This web site offers a large database of interesting publications. They are for sale in hardcopy form, but a quick Google search finds that many of the papers are also freely available elsewhere online. Thus, this site serves as a good jumping-off point for further research. Storming Media: Providing Pentagon information at the speed of lightning. | 
