6. Institute for Intelligence and Special Operations (HaMossad leModiʿin uleTafkidim Meyuḥadim-Mossad)
Founded: 1949
Headquarters: Tel Aviv, Israel
Mossad has a long list of operations, primarily its responsibility for the trial and execution of Nazi leader Adolf Eichmann. It also informed the US on terrorists planning a major attack, which a month later struck the World Trade Center and the Pentagon.