Description: [caption id="" align="aligncenter" width="328" caption="Prime Minister Margaret Thatcher was in Washington, D.C. February 21, 1985, and because her flight was grounded an extra 10 hours by a forecast of fog, she got to see the National Air and Space Museum, 1985, by Dale Hrabak, Black and white photographic print, Smithsonian Institution Archives, Record Unit 371 Box 4 Folder