Al-Qaeda (; Arabic: القاعدة, romanized: al-Qāʿidah, lit. 'the Base', IPA: [alˈqaː.ʕi.da]) is a pan-Islamist militant organization led by Sunni Jihadists who self-identify as a vanguard spearheading a global Islamist revolution to unite the Muslim world under a supra-national Islamic caliphate. Its membership is mostly composed of Arabs, but also...