Digital National Security Archive This link opens in a new windowFrom the nongovernmental National Security Archive, DNSA consists of curated and indexed declassified government documents covering U.S. policy toward critical world events – including their military, intelligence, diplomatic and human rights dimensions – from 1945 to the present. Each collection is assembled by foreign policy experts and features chronologies, glossaries, bibliographies, and scholarly overviews to provide access to the defining international issues of our time. Countries covered include Afghanistan; Argentina; Chile; China; Colombia; Cuba; East Germany; El Salvador; Guatemala; Iran; Iraq; Japan; Mexico; Nicaragua; North and South Korea; Peru; Philippines; South Africa; Soviet Union; and Vietnam. Other topics covered include climate change; diplomacy; foreign policy; terrorism; the United States military, national security, and the intelligence community; and United States nuclear policy.