Which famous WWII firearm was originally marketed under a different name before a military journalist's nickname for it became its permanent brand identity?

During World War II, weapon manufacturers faced unique challenges in product development and branding. Beyond functionality, these companies needed to create weapons that could be mass-produced efficiently, maintained easily in the field, and inspire confidence among troops. This poll explores how one iconic WWII weapon's name originated - a fascinating intersection of military history and product branding that many enthusiasts may not know.

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The Thompson submachine gun, initially marketed as 'The Annihilator' before becoming known as the 'Tommy Gun'
The M1 Garand rifle, first called the 'T1924' before a military journalist dubbed it the 'Garand' after its inventor
The Bazooka anti-tank weapon, originally designated as the 'Rocket Launcher M1' until named after a musical instrument by soldiers
The Colt M1911 pistol, first marketed as the 'Government Model' before being nicknamed after its year of adoption