7:40 am: With the first lady, departs White House
9:25 am: Arrives at the Flight 93 National Memorial; Shanksville, Pennsylvania
9:45 am: Attends the Flight 93 September 11 Memorial Service; Shanksville, Pennsylvania
11:00 am: Departs the Flight 93 National Memorial
12:45 pm: Arrives White House
2:00 pm: Meets with Secretary of Defense Mattis
3:00 pm: Meets with Department of Homeland Security Secretary Nielsen and FEMA Administrator Brock Long