The space shuttle Discovery prepares to depart from Kennedy Space Centre in Florida on top of a NASA Shuttle Carrier Aircraft.
It is travelling to its permanent retirement home at the Smithsonian Air and Space Museum's Udvar-Hazy Centre, near Dulles International Airport in Chantilly, Virginia.
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Missing RAF gunner Corrie McKeague's mother has said he had an account on a swingers' website.
"I will work with him where we can, but I just didn't want to go celebrate or legitimise or normalise his presidency," one US lawmaker said.
Former US President George H.W. Bush is in intensive care after suffering from pneumonia, as his wife is admitted as a precaution.