Advanced Freefall ship:
Achieve the bonus objective in Act 3 Mission 1.

Advanced Havoc ship:
Achieve the bonus objective in Act 3 Mission 3.

Advanced Jedi Starfighter:
Achieve the bonus objective in Act 2 Mission 4.

Advanced Zoomer ship:
Achieve the bonus objective in Act 2 Mission 3.

Republic Gunship:
Achieve the bonus objective in Act 3 Mission 5.

Sabaoth Fighter:
Achieve the bonus objective in Act 2 Mission 5.

TIE Fighter:
Achieve the bonus objective in Act 1 Mission 4.

X-Wing:
Achieve the bonus objective in Act 1 Mission 3.

Slave 1 ship:
Achieve the hidden objective in all missions.