Explore aviation science and history! The interdisciplinary activity Examining the Historical Roots of Aviation—engages students in analyzing a primary source document and provides numerous opportunities to reflect on its meaning. The article presents questions to consider when examining the historical cartoon (e.g., What is the “ozone ocean blue”? Why are the Wright Brothers considered “Monarchs of the Air”? Why does the author liken flying to sailing?), as well as other ideas for using the primary source as a learning tool in your science classroom.