Read this month’s wood-type column to learn what typeface is used for “United States of America” on the fuselage of Air Force One.
A version of Caslon [Caslon 224] is used for the WordMark identifying the division of Penn State where I work. A quick search turned this bit of trivia up:
“Caslon 224 was designed by Ed Benguiat of ITC, and released in 1983. The result of his efforts is a highly readable typeface, featuring a large x-height, smooth weight transitions, and careful structuring of hairline strokes, offered in four weights (book, medium, bold, and black) each with a matching italic.
In lectures, Benguiat has frequently said he chose the number 224 because it was the address of the building where he did most of his work...”
More about Caslon can be found here.