Much of the sensational Palestinian terrorism across the globe in the 1970s was planned and orchestrated by Christian commanders like George Habash, Wadih Haddad, and Nayef Hawatmeh, who often operated in alliance with the Baathist regimes. Although he did not invent the tactic, Wadih Haddad was the first Arab guerrilla leader to use airliner hijacking on a major scale.