Caterpillars to the Rescue

Amy Nathan
Stories About Regular Folks Doing Remarkable Things

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     I learned about the Caterpillar Club when I interviewed some flying WASPs—not the kind that buzz around on tiny wings. These WASPs were airplane pilots, the first women to fly for the United States military. They served during World War II: the Women Airforce Service Pilots (or WASP, for short). 

      The Caterpillar Club they told me about was named for silkworm caterpillars that helped save pilots’ lives. If a plane developed engine trouble in midair, pilots could float to safety by using a parachute made from silk, a lightweight cloth that silkworm caterpillars help create. These caterpillars use a spit-like substance in their mouths to spin a long silk thread that they wrap around themselves, forming a cocoon that they live in for several weeks until they become moths. Those long silk threads can then be unwound from the cocoons and woven together to make silk cloth. 

      About twenty years before World War II, a parachute company started the Caterpillar Club for people whose lives were saved by using a parachute to escape from a disabled plane. People could write to the company about their parachute rescue, pay a membership fee, and the company would send them a little caterpillar pin.

      However, the WASP pilots I spoke with said that some pilots liked to feel they were part of the Caterpillar Club even if it wasn’t an aircraft’s fault that led them to use a parachute. During World War II, pilots—both men and women—trained to fly military aircraft for the Army in small open planes. The planes didn’t have a roof. If a nervous pilot-in-training forgot to buckle the seat belt and the plane tipped over, the pilot could fall out! Fortunately, they always wore a parachute. Landing safely—thanks to the parachute—not only let them feel part of the Caterpillar Club, but also helped the students remember to never, ever forget to buckle up again. 

      However, by World War II, many parachutes used by U.S. pilots weren’t made of silk. The silk-producing areas of the world were controlled then by Japan, which the U.S. was fighting in this war. Because U.S. companies could no longer get silk cloth, they began making parachutes from a new material scientists had just invented—nylon. Most parachutes are made of nylon today. Even so, the Caterpillar Club lives on.


Click here for source notes on this article.

This photo from the back cover of the book "Yankee Doodle Gals" shows a back view of one of the WASPs of World War II wearing the folded-up parachute these pilots wore when they flew. Courtesy National Archives

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If you are interested in finding out more about the WASPs, Amy Nathan has written a book on the subject. Through firsthand accounts, she tells how these early pilots they test-flew newly repaired aircraft, dragged banners behind their planes so male trainees could practice shooting moving targets with live ammunition (!), and ferried all kinds of aircraft from factories to military bases. 

Yankee Doodle Gals will give you a new look at World War II and show you just how dramatically society has changed since then. Click here for more information. 

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MLA 8 Citation
Nathan, Amy. "Caterpillars to the Rescue." Nonfiction Minute, iNK Think Tank, 20
     Mar. 2018, www.nonfictionminute.org/the-nonfiction-minute/
     Caterpillars-to-the-Rescue.