Members of al-Qaeda have performed many acts of terrorism. Most of these have been done against the United States and Shias. Some of its most well-known attacks have been the September 11 attacks, the bombings of U.S. embassies in Kenya and Tanzania in 1998, and the attack on the U.S. Navy ship USS Cole in 2000. al-Qaeda has done suicide attacks and simultaneous (at the same time) bombings of different targets.