Americans helping one another made clear that nothing is impossible, and the response after 9/11 centered on what happened on 9/12. The losses of September 11, 2001 included 343 firefighters, 72 police, 55 armed forces personnel, 8 EMS, and 2499 civilians, with pivotal moments at 8:46 a.m., 9:03 a.m., 9:37 a.m., and 10:07 a.m.