Complete the indicated task to unlock the corresponding ship.

Ship	How to unlock
Auroran Cruiser, Carrier	Become Heraan Thurokiir.
Auroran Firebird, Phoenix, Abomination	Become a warrior of the Heraan House.
Auroran Thunderforge	Complete second Auroran offshoot, wait about 30 game days.
Fed Destroyer, Carrier	Become the Fed Ambassador.
Fed Scout Ship	Complete the Fed weapon runs.
Fed Viper, Andaconda, Patrol Boat	Complete the Fed secure prisoner missions.
Pegasus, Starliner, Leviathan	Complete first Sigma Mission, do not fail 2nd or 3rd.
Polaris Arachnid, Scarab	Complete 66% of the Polaris Missions.
Polaris Manta, Striker, Dragon	Complete first few Polaris missions.
Polaris Raven	Complete almost all the Polaris Missions, probably about 5 missions left at this point.
Polaris Zephyr	Finish either Track A or B Polaris missions. You are not notified of its development in Track A.
R.A.G.E. Gunboat	Complete 6th Gli-Tech-Nia mission (Fed storyline only).
Rebel Dragon, Destroyer, IDA Frigate	Complete most Rebel missions (about 66% of the ).
Rebel Viper, Lightning, Thunderhead, Valkrye, Starbridge	Become Ory-Hara.
Unrelenting	Complete 66% of the Pirate missions.
Vell-os Arrow	Become a T2.
Vell-os Dart	Become a T3.
Vell-os Javelin	Become a T1.