Top Secret UFO Projects Declassified 01x01 Project Blue Book Unknown SUB Opciones 01SUB 720HD 02SUB 720HD 01x01 Project Blue Book 01x02 The White House 01x03 Code Name Aurora 01x04 Hacked and Leaked 01x05 Secret Soviet UFO 01x06 After Disclosure During the Cold War Project Blue Book came into being – aimed at gathering and analysing UFO observations. To this day, many cases still raise unanswered questions.