Dw747400 From United States, joined Aug 2001, 973 posts, RR: 1 Reply 2, posted (2 years 5 months 1 week 1 day 1 hour ago) and read 788 times:
Under certain conditions, the runway at ADW is not suitable for a departure at maximum gross weight. Therefore, the aircraft is ferried to IAD and the President will meet it there via Marine One.