This is the Droid You're Looking For!

From the National Air and Space Museum, Smithsonian Institution Facebook page.

In 2007, the US Postal Service turned 400 standard blue mailboxes into Luke Skywalker's trusty droid R2-D2 and StarWars fans visited them across the country. You can visit one now at our Udvar-Hazy Center: s.si.edu/2VMR4mz #Maythe4thBeWithYou #StarWarsDay Cool!

Still delivering important messages!