The Train That Poisoned Its Own Crew — Union Pacific's Aluminum Streamliner, 1934

The Union Pacific M-10000, also known as the City of Salina, was celebrated as the future of passenger rail travel in 1934. Built with lightweight duralumin and a streamlined design, this train aimed to save the railroad industry. However, severe engineering flaws, metal fatigue, and a spark-ignited distillate engine created a toxic environment for the crew. Explore the mechanical failures, structural corrosion, and the strategic PR decision that led to this historic streamliner's rapid demise.