Its common for the government to have a backup plane available when the president travels, although not often for a family sightseeing excursion.
Not often? This is the first I ever heard of such. Please keep him there.
This is EXACTLY what the writers of The Jeffersons had n mind with the theme song Movin' On Up.
It's like having a band of sharecroppers in DC whose only aspiration is to "get over on/even with Whitney, and "let's rub their noses in it as long as we're here."