Which military organization underwent a complete rebranding of its insignia in 1945, removing specific symbolic elements to distance itself from its wartime identity?

Throughout military history, brand identity has played a crucial role in unit recognition, morale, and organizational pride. Military insignias, logos, and symbols have evolved to become some of the most recognizable brand elements in history. This trivia question explores how one particular military organization's brand identity changed significantly during a pivotal historical period, reflecting shifting strategic priorities and public perception management.

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The German Bundeswehr, which removed the Iron Cross and swastika from all insignia
The U.S. Army Air Forces, which changed to the modern U.S. Air Force roundel
The Soviet Red Army, which replaced imperial Russian symbols with new communist iconography
The Japanese Self-Defense Force, which eliminated the rising sun emblem from all official branding