• This April 13, 2016 file photo shows the seal of the Central Intelligence Agency at CIA headquarters in Langley, Virginia.
  • Artist's concept of a Soviet SS-NX-23 ballistic missile being launched from a Delta III-class nuclear-powered ballistic missile submarine
  • Candid shot of Hitler at the Berghof
  • In this Dec. 13, 1951 file photo, crowds of supporters of Prime Minister Mossadegh gather around a huge portrait of Iranian Mullah Kashani, one of the powerful backers of Mossadegh's regime, in Tehran. Once expunged from its official history, documents outlining the U.S.-backed 1953 coup in Iran have been quietly published in June 2017, by the State Department, offering a new glimpse at an operation that ultimately pushed the country toward its 1979 Islamic Revolution and hostility with the West.
  • This re-enactment of the assassination of President John F. Kennedy
  • President John F. Kennedy and his wife Jacqueline Kennedy are greeted by an enthusiastic crowd upon their arrival at Dallas Airport, on November 22, 1963. Only a few hours later the president was assassinated while riding in an open-top limousine through the city.