 After 1963, Egyptian State Security officers were sent to Algeria, Syria, Yemen and Iraq to train the newly formed state security agencies of the Baathist and nationalist regimes of those countries.In the 1960s, the SSIS forged new ties with the State Security apparatus of East Germany, which took SSIS competence against political subversion to an extremely competent level.Recruits were carefully screened and selected on the basis of political reliability, and practicing Muslims were virtually barred during the Nasser era.