2015 Chattanooga shootings
On July 16, 2015, Muhammad Youssef Abdulazeez opened fire on two military installations in Chattanooga, Tennessee, United States. He first committed a drive-by shooting at a recruiting center, then traveled to a U.S. Navy Reserve center and continued firing, where he was killed by police in a gunfight.
Source: Wikipedia — 2015 Chattanooga shootings (CC BY-SA 4.0)