Star
Trek Invasion
Secret Missions
Mission 1A
Complete Mission 1 with at least 40% accuracy and under 5 minutes
and 2 seconds.
Mission 4A
Complete Mission 4 with at least 40% accuracy and under 6 minutes
and 44 seconds.
Mission 5A
Destroy the first half of the Energy Plough in mission 5 and use your
tractor beam on the second half.
Mission 5B
Search for the info unit and use your tractor beam to attain it. You'll
find it between the two asteroids, near the broken shuttle.