The Starfleet insignia seen on the chests of every officer in the service is typically nicknamed the Starfleet delta by fans, given its resemblance to the Greek letter. The symbol more closely ...

NASA influenced Starfleet's delta symbol, connecting modern space exploration to the futuristic world of Star Trek. The US Air Force's emblem also inspired the Starfleet delta, symbolizing speed ...

In Star Trek lore, few symbols are as iconic as the Starfleet insignia—a delta-shaped emblem that has come to represent the spirit of exploration and unity in the United Federation of Planets.