The Space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va. on Thursday, April 19th. (Andrew Harnik/The Washington Times)
The Space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va. on Thursday, April 19th. (Andrew Harnik/The Washington Times)
The Space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va. on Thursday, April 19th. (Andrew Harnik/The Washington Times)
The space shuttle Discovery arrives by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va. on Thursday, April 19th. (Andrew Harnik/The Washington Times)
The space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va., on Thursday, April 19. (Andrew Harnik/The Washington Times)
The space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va., on Thursday, April 19. (Andrew Harnik/The Washington Times)
The space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va., on Thursday, April 19. (Andrew Harnik/The Washington Times)
The space shuttle Discovery does a flyby before arriving by 747 carrier aircraft at Washington Dulles International Airport, Chantilly, Va., Tuesday, April 17, 2012. After completing 39 missions and spending 365 days in space, the historic spacecraft will make its final destination at the Steven F. Udvar-Hazy Center, a Smithsonian museum, located in Chantilly, Va., on Thursday, April 19. (Andrew Harnik/The Washington Times)
The space shuttle Discovery, atop a 747 carrier aircraft, makes a flyover at Dulles International Airport in Chantilly, Va., on April 17, 2012. Discovery, the longest-serving orbiter will be placed to its new home, the Smithsonian's National Air and Space Museum's Steven F. Udvar-Hazy Center in Chantilly. (Associated Press)
