Before landing, the aircraft will do a flyover of Washington DC at approximately 1,500 feet near a variety of landmarks, including the National Mall, Reagan National Airport and the National Harbor.
Discovery retired in March after completing its 39th mission. It spent a total of 365 days in space, orbited the Earth 5,830 times, and travelled 148,221,675 miles.
More top news
Police caught more than 40 drivers an hour using their mobile phones behind the wheel, in a crackdown on distraction driving.
Nicola Adams has left the world class performance programme and will be making an announcement about her future plans very soon.
MPs are urging the Prime Minister to give honest answers in Parliament about what she knew of the failed test last June.