Which famous military product tagline from World War II was so effective that it not only boosted sales but also entered everyday language as a common expression?

Throughout military history, certain weapons, vehicles, or equipment have become iconic not just for their battlefield performance, but also for their marketing and branding. Famous taglines helped shape public perception and sometimes even influenced military procurement decisions. This poll tests your knowledge of product branding in military history - an often overlooked aspect of how military technology was promoted to governments, soldiers, and civilians alike.

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"The Gun That Won The West" (Winchester Model 1873 rifle)
"Keeps Fighting Men Fighting" (Jeep)
"The Pistol That Won The War" (Colt M1911)
"Kilroy Was Here" (Kilroy inspection mark)