According to American counter-terrorism analysts the Al-Matar complex was an Afghan training camp run by al Qaeda. In 1999, Mohammed Atef met repeatedly with Bin Laden and Khalid Sheikh Mohammed at the Al-Matar complex to discuss possible targets for the 9/11 attacks. Mohammed Zarnuki's Summary of Evidence memo asserted: {| class="wikitable" border="1" | * "A source identified Usama bin Laden's compound in Kandahar, Afghanistan called al Matar, which meant the airport." * "A source identified al Farouq, al Matar and Aynak as the three al Qaida military training camps." |} | |}