Pentagon Salute First responders salute a large American flag as it's unfurled over the west side of the Pentagon, Sept. 11, 2017. During the Sept. 11, 2001, attacks, 184 people were killed at the Pentagon. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE: Download: Full Size (0.76 MB) Credit: Dominique A. Pineiro VIRIN: 170911-D-PB383-896X.JPG Photo Gallery