Which military ration item became a successful consumer product after being rebranded by Nestle in the 1930s and is now recognized as one of the world's oldest instant coffee brands?

Throughout history, military innovations in food preservation and packaging have revolutionized the consumer market. Many everyday products we take for granted began as solutions to military logistics challenges. This poll explores how one of the most recognizable emergency food products transitioned from military use to become a commercial success story in civilian markets.

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Nescafé (originally developed for US military as soluble coffee)
SPAM (originally developed as a military protein solution)
PowerBar (originally developed as a high-energy military ration)
Tang (originally developed for NASA space missions)