Walter Watson was the first and only African-American to qualify as a crewmember in the SR-71. Hear from this amazing aviator.

This video was a part a full episode of STEM in 30 titled "Shhhhh. The Science of Stealth!" To watch the full episode visit:    • Shhhhh. The Science of Stealth - STEM...  

For more learning resources for National History Day check out Smithsonian Learning Lab: https://learninglab.si.edu/collection...

For more FREE teacher resources from the Smithsonian’s National Air and Space Museum visit STEM in 30, the museum's Emmy nominated TV show for middle school students: https://airandspace.si.edu/stem-30