Star Trek's delta symbol evolved from ship-specific to a unified emblem ... Star Trek’s Starfleet insignia, often referred to as the "delta," is one of the most recognizable images in science ...

no matter their ship, would proudly wear a Starfleet delta on their right lapel. The chest-worn insignia has been a consistent detail throughout the "Star Trek" franchise, even as the insignias ...

While the ship-specific insignia theory may no longer hold up under scrutiny, its impact on Star Trek fandom remains significant, and regardless of any flaws, the success of TOS would set the ...