What are the different missions in Pinball 3D Space Cadet?

There are total of 17 different missions, each with different objectives, and only available to specific rank:

  • Cadet

    1. Launch Training (top): Pass the Launch Ramp 3 times.
    2. Re-entry Training (middle): Pass the Re-entry Lanes 3 times.
    3. Target Practice (bottom): Hit the Attack Bumpers 8 times.
    4. Science Mission (all): Hit 9 Drop Targets.
  • Ensign & Lieutenant

    1. Bug Hunt Mission (top): Hit 15 targets (Drop and/or Hit).
    2. Rescue Mission (middle): Upgrade Flags, then enter the Hyperspace Kicker.
    3. Alien Menace Mission (bottom): Upgrade the Attack Bumpers, then hit them 8 times.
    4. Secret Mission (all): Enter the Yellow Wormhole, then Red Wormhole, then Green Wormhole.
  • Captain & Lt. Commander

    1. Stray Comet Mission (top): Light all 3 Right Hazard Target Lights, then enter the Hyperspace Kicker.
    2. Space Radiation Mission (middle): Light all 3 Left Hazard Target Lights, then enter any Wormhole.
    3. Black Hole Mission (bottom): Upgrade the Engine Bumpers, then enter the Black Hole Kicker.
    4. Cosmic Plague Mission (all): Spin flags 75 times, then hit Space Warp Rollover.
  • Commander & Commodore

    1. Satellite Retrieval Mission (top): Hit the Satellite Bumper 3 times.
    2. Recon Mission (middle): Pass any of the lanes 15 times.
    3. Doomsday Machine Mission (bottom): Send the Ball through the Out-Lanes 3 times.
    4. Time Warp Mission (all): Hit the Rebounds 25 times, then Enter the Launch Ramp (promotion) or Hyperspace Kicker (rank demotion).
  • Admiral & Fleet Admiral

    1. Cosmic Plague Mission (top, Captain's all mission)
    2. Secret Mission (middle, Ensign's all mission)
    3. Time Warp Mission (bottom, Commander's all mission)
    4. Maelstrom (all):
      1. Hit 3 Drop Targets.
      2. Hit 3 Spot Targets.
      3. Send the Ball through 5 lanes.
      4. Shoot the ball up the fuel chute.
      5. Send the Ball up the launch ramp.
      6. Roll a Flag.
      7. Enter any Wormhole.
      8. Enter the Hyperspace Kicker.

Source: GameFAQs by froesch14 | PINBALL.DOC1, the official manual (also referred on rdrop)

1. There doesn't seem any online mirror for the Word file.