The Omega class destroyer

Omega class destroyer

The Omega-class destroyer is a fictional vessel used by Earthforce, the military branch of the Earth Alliance, in the science fiction television series Babylon 5...

 E.A.S. Pollux was an Earth Alliance

Earth Alliance (Babylon 5)

The Earth Alliance is the name of a fictional alliance of the nations of Earth and off-world colonies in the television series Babylon 5. The transition of Earth government from a democratic, elected government to an authoritarian, militaristic one and back to a democracy again is a major theme of...

 starship in the Babylon 5

Babylon 5

Babylon 5 is an American science fiction television series created, produced and largely written by J. Michael Straczynski. The show centers on a space station named Babylon 5: a focal point for politics, diplomacy, and conflict during the years 2257–2262...

 science fiction universe. She was named after Pollux from Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

, who was a son of Leda and the Swan - who was the God Jupiter in disguise.

In the latter half of 2261, President Morgan Clark

Morgan Clark

William Morgan Clark is a fictional character and a major antagonist from the universe of the science fiction television series Babylon 5, portrayed by Gary McGurk. His character rarely appeared on-screen, but is a major off-screen presence in the show....

 began ordering his forces to attack civilian targets in order to force the surrender of those who opposed him. He may have also done this to provoke rebel leaders into attacking him. Two large commercial liners that held a combined total of 10,000 refugees were intercepted by the Pollux at a jump gate. The two ships tried to identify themselves as commercial liners, but the Pollux came out of the jump gate firing, and quickly destroyed the two refugee ships. Over 10,000 innocent people died in the attack.

A transport in the area managed to make a video record of this, which was smuggled out of the area. It made its way to Babylon 5. Both Commander Susan Ivanova

Susan Ivanova

Susan Ivanova is a fictional character in the science fiction television series Babylon 5, played by Claudia Christian.-Character overview:...

 and Captain John Sheridan

John Sheridan (Babylon 5)

John J. Sheridan is a lead character in the fictional universe of the science-fiction television series Babylon 5, played by Bruce Boxleitner. For most of the series, he is the commander of the Babylon 5 station; during the series' final season he is the President of the Interstellar...

 were furious upon seeing the video. Sheridan then decided to take the war to Earth, liberating the colonies on the way, with the first major engagement of the campaign taking place at Proxima 3.

EAS Pollux was lost in the ensuing battle when a White Star, damaged by Polluxs forward batteries, tumbled out of control and collided head-on with the Pollux, destroying both ships.