The latest revelations also disclosed limited details about the highly classified 2013 intelligence "black budget," which previously only provided a topline of nearly $53 billion. The $52.6 billion intelligence budget described by the Post discloses that the NSA's portion was $10.5 billion in 2013 - outstripped only by the CIA's $14.7 billion. - Mitchell Tsai

Aftergood said the CIA's budget growth from $3 billion in the 1990s to nearly $15 billion likely reflects its post-Sept. 11 push into drone warfare and paramilitary operations overseas. - Mitchell Tsai