Bio-Ship

Miss Martian's bio ship is an organic Martian ship, and therefore responds to her mental commands. It is currently in the main hangar of Mount Justice and is the Team's primary form of transportation.

Physical appearance
While it's "at rest" as Miss Martian says, it resembles a giant red and black egg. When she "wakes it", it becomes a large aerodynamic ship.

Powers and abilities
It can turn invisible in camouflage mode and more seats can be created when necessary as well as dissolve. It can also open hatches by opening its outer hull, however it can be damaged if the hull is forcibly opened as Black Adam did; afterwards it needs a short period of recovery. It can also shield its occupants from mental attack, for example the effect caused by Count Vertigo's powers.

Trivia

 * Interestingly, Miss Martian refers to it as "her" and "she", implying that the ship has a gender.
 * It's possible that she is merely referring to the fact that on Earth, vessels are referred to as being female.