Keith Duplessie closed down his detailing shop and flew halfway across the country out of a sense of duty.

He and about 60 auto and aircraft detailers have set up shop at Seattle’s Museum of Flight, where they’re preserving several historic aircraft, including a Boeing VC-137B that once served as Air Force One and a World War- II-era Boeing B-29 Superfortress.

For Duplessie, who is now serving in the Texas Army National Guard, it’s his second stint at the museum