Big Secrets Kept for Decades:

National Security Agency (NSA) and Widespread Domestic Spying NSA is established in 1955 but domestic spying had already begun in 1945. 1st made public in congressional hearings on Domestic Spying 1975.Recent Snowden revelations regarding widespread domestic spying via internet traffic capture - 2013.

Kept secret 30 years

Area 51 Experimental Airforce Testing Ground - EST. 1955 Bob Lazar story of working on back engineering captured E.T. Craft at S4 - 1989. 1st Official US disclosure of Groom lake base - 1994

Kept Secret 34 years

National Reconnaissance Office - EST. 1961 Operators of space based radar and surveillance 1st made public - 1992

Kept Secret 31 years

Amnesty for Japanese Biological and Chemical Warfare Unit 731 - EST. in 1932 Human experimentation program using civilian and POW’s running until 1947. The date that a single US official acknowledges that amnesty was granted to Japanese war criminals in exchange for data on this brutal experimentation - 1998.

Kept Secret 51 years

Operation Paperclip - EST 1945

US Military imports 1600 German nationals and Nazi Scientists (Many who were proven war criminals) & grants them amnesty in the US leading to the creation of NASA and US Missile Weapon operations. Finally officially acknowledged in 1998.

Kept Secret for 53 years