Aside from Spock's bangs and the Vulcan salute, Star Trek’s Starfleet insignia, often referred to as the "delta," is one of ...

The chest-worn insignia has been a consistent detail throughout the "Star Trek" franchise, even as the insignias gradually changed look and function over the decades. On the original series ...

From 1918 to 1920, the design changed as it became the official American insignia during World War I. Different from the ...