Digital National Security Archive (DNSA) This link opens in a new windowThe Digital National Security Archive contains the most comprehensive set of declassified government documents available. The resource now includes 44 collections consisting of over 104,000 meticulously indexed documents, with more than 733,000 total pages. Each of these collections, compiled by top scholars and experts, exhaustively covers the most critical world events, countries, and U.S. policy decisions from post World War II through the 21st century. Together, these collections offer unparalleled access to the defining international strategies of our time. Glossaries, chronologies, bibliographies, overviews, and photographs are included.