Exelion Length: est. 10-15 kilometers Weight: Classified First Appearance: Episode 2 ["The Challenge of the Fearless Girl-Genius"] The Exelion was constructed exclusively for use in battling the alien forces. It is the flagship of Earth's galactic expedition. Eventually, it would pave way for the manufacture of the Eltreum and the Super Exelion-Class starships.
Luxion Length: Classified Weight: Classified First Appearance: Episode 1 ["Unbelievable! Amano and I are Pilots?!"] The Luxion was the first ship built to explore the outer reaches of the Solar System. However, on its maiden voyage in 2015, its fleet was destroyed by an alien ambush at the Arm of Perseus in the Milky Way. Yuzo Takaya, Noriko's father, was the captain of this ship.
Tarzion Length: Classified Weight: Classified First Appearance: Episode 3 ["First Love, First Sortie"] The second-largest ship in the Exelion fleet. It's destroyed in the fleet's first battle with the space monsters.
Eltreum Length: 70 kilometers Weight: Classified First Appearance: Episode 5 ["Please! Save Some Time for Love"] Initially constructed as an Earth evacuation ship, the Eltreum now serves as the flagship for Earth's final battle against the space monsters in the center of the galaxy. Capt. Tashiro, the former captain of the decommissioned Exelion, is given the controls to this colossal starship.