President Donald Trump is expected to join the memorial at the Pentagon, while VP Mike Pence is scheduled to speak at a ceremony in Pennsylvania.
Officers cary an American flag into ceremonies commemorating the 18th anniversary of the September 11, 2001 attacks at the 911 Memorial in lower Manhattan in New York, U.S., September 11, 2019(photo credit: REUTERS/BRENDAN MCDERMID)ByRACHEL WOLF
