For more than 30 years it would be known as "the blackest day in aviation history."

For more than 30 years it would be known as "the blackest day in aviation history." In September 1970, members of the militant Palestinian group, the Popular Front for the Liberation of Palestine (PFLP), hijacked five commercial airplanes. To attract attention to the Palestinian cause and secure the release of several of their comrades, the PFLP spectacularly blew up three of the planes. Award-winning producer Ilan Ziv examines how and when Middle East militants began to see civilians as legitimate pawns in the struggle for self-determination.