Berto Jongman: Jeff Richelson’s Collection of Documents on Underground Facilities – Intelligence and Targeting Issues
Underground Facilities: Intelligence and Targeting Issues U.S. Intelligence: Hiding of Military Assets by “Rogue Nations” and Other States a Major Security Challenge for 21st Century U.S. Documents Describe Monitoring Effort Going Back to Early Cold War Years National Security Archive Electronic Briefing Book No. 439 UPDATE – September 23, 2013 Originally Posted – March 23, …