Twenty-five years after the deadliest attack on U.S. soil, Americans paused on Friday to commemorate the nearly 3,000 people killed when hijacked planes slammed into the #WorldTradeCenter, the #Pentagon and a field in #Pennsylvania — and to wrestle with the consequences of September 11 that reverberate to this day. 📸:Josh Morgan, Jack Gruber/USA TODAY, Seth Harrison/The Journal News, Angela Weiss/AFP via Getty Images, Finn Gomez/ Getty Images, Michael M. Santiago/Getty Images, Chip Somodevilla, Getty Images, Saul Loeb/ AFP via Getty Images, Pool/Getty Images