Which packaging invention was originally developed by military researchers for food preservation but revolutionized consumer product marketing when adapted for commercial use?

Throughout history, packaging innovations have dramatically altered how products are preserved, transported, and marketed. From ancient clay vessels to modern sustainable solutions, packaging inventions have solved crucial problems while creating new marketing opportunities. This trivia question explores a groundbreaking packaging invention that transformed an entire industry and consumer experience. Test your knowledge about the intersection of product packaging innovation and historical discovery!

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Vacuum sealing (Developed by NASA in the 1960s for space food)
Aerosol spray cans (Invented by Erik Rotheim in 1926 but refined by USDA/military researchers during WWII)
Shrink-wrap film (Created by Dow Chemical scientists in 1954 for military equipment protection)
Aseptic packaging (Developed by the U.S. Army Natick Laboratories in the 1950s)