It took men and women to worlds that once lived only in the imagination, and on Tuesday the space shuttle Discovery took a piggyback ride on a Boeing 747 to its final home in the Smithsonian National Air and Space Museum’s annex in Virginia. The plane flew low enough so that those in Washington, D.C., could watch, with crowds at the Mall applauding, although the Mid-Atlantic AAA issued a warning to passing motorists not to “let anything—even a space shuttle flying overhead—distract you.” NASA retired its shuttle program last year.
