Sydney Robison, center, looks on during a vigil for U.S. Marines Staff Sgt. Taylor Hoover Sunday, Aug. 29, 2021, in Salt Lake City. Hoover was among the 13 US troops killed in a horrific suicide bombing at Afghanistan's Kabul airport, which also claimed the lives of more than 100 Afghans. Hoover had been in the Marines for 11 years.