Shuttle RSRM (Reusable Solid Rocket Motor) on railcar - Promontory Utah

Years ago I worked for Thiokol Corp in Utah on the Shuttle Program. The spent Shuttle motors would be returned to us for refurb to be used again. The railcars too, would be refurbed... This pic isn't mine, I wish I still had some, but I thought it was an interesting piece of railroad trivia.