Which famous retail logo was directly inspired by a U.S. Navy captain's military insignia, later becoming one of the most recognizable coffee brands worldwide?

Throughout military history, distinctive logos and emblems have been crucial for unit identification, morale, and establishing institutional identity. From ancient battle standards to modern military branch insignias, these visual identifiers have evolved alongside warfare itself. This trivia explores a pivotal moment when military branding principles influenced the wider retail world, creating one of the most recognizable logos in consumer history.

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Starbucks (The twin-tailed siren was adapted from a 16th-century Nordic woodcut the captain collected during his naval service)
Dunkin' (The orange and pink colors were based on naval signal flags from the captain's destroyer)
Tim Hortons (The original logo featured elements from the captain's unit patch)
Peet's Coffee (The founder incorporated his brother's naval academy insignia into the company's first logo)