Since its debut in the mid 1960s, the "Star Trek" TV and movie franchise has captured the imaginations of millions of fans around the world. One of the most iconic elements of the series is its various starships, from the USS Enterprise to the USS Voyager and the USS Defiant. But there are plenty of other Starfleet vessels out there, and each has its own unique history, capabilities and mission.

The USS Reliant, for example, is a Miranda-class starship that was initially assigned to explore the galaxy but ended up in the clutches of antagonist Khan Noonien Singh in the classic film "Star Trek II: The Wrath of Khan." Meanwhile, the USS Excelsior is a Constitution-class starship, which made its first appearance in the third Star Trek film, "Star Trek III: The Search for Spock." The Excelsior is renowned for its transwarp drive, a propulsion system that allows it to travel faster than the speed of light. Then there's the USS Enterprise-A, the refitted version of the original USS Enterprise that appeared in the fourth and fifth Star Trek films. The Enterprise-A is equipped with a variety of powerful weapons and defensive systems, and it was featured in the acclaimed movie "Star Trek VI: The Undiscovered Country."

Finally, there's the USS Discovery, the latest Starfleet vessel to appear in the "Star Trek" universe. This state-of-the-art science vessel is equipped with the latest technology, including a spore drive that allows it to travel to any point in the universe almost instantaneously. From the original USS Enterprise to the latest USS Discovery, "Star Trek" has a long history of amazing starships. Each one has its own unique capabilities and mission, and together they have helped to create a rich and vibrant universe for fans to explore.

Space exploration has always been a topic of great fascination and speculation. With the incredible popularity of the Star Trek franchise, it’s no surprise that people have often wondered just how realistic the science fiction space ships in the show are.

In many ways, the ships featured in Star Trek are not only aesthetically pleasing but also surprisingly advanced. The ships feature warp drives, which allow them to travel through different galaxies at faster-than-light speeds. This technology, however, has yet to be developed in real life.

The ships also have shields and weapons that fire photon torpedoes, both of which are also currently impossible. However, the idea of creating force fields and weapons systems that could fire plasma are not too far from becoming a reality.

Overall, the ships in Star Trek are very imaginative and exciting, but much of the technology used in them is not yet feasible. While some of the concepts have proven to be realistic and have inspired real-life developments, a lot of the technology seen in the franchise still remains in the realm of science fiction.