Tolong jelaskan mengenai NSA Headquarters dari Badan Keamanan Nasional

"FAILURE IS NOT AN OPTION: It comes bundled with the software."|by Al Massey

NSA: Bibliography|Compilation and research by Jean-Pierre H. Coumont

New York Times NSA Phone Taps Article alternate link

Wiretaps said to sift all overseas contacts (Boston Globe)

Kurt Nimmo. NSA snoop story: Tell me something I don’t already know , Another Day in the Empire, December 24, 2005.

Kevin Zeese. NSA mounted massive spy op on peace group, documents show , Raw Story, January 10, 2006.

First person account of NSA interview and clearance

Joanne Leyland, "American Intelligence Service Denies Eavesdropping On Princess Diana", The Royalist, 13 Desember, 2006. URL retrieved on 6 Januari 2007.