 Terror From The Deep |
| Alien Submarines: | Survey Ship • Escort • Cruiser • Heavy Cruiser • Hunter • Fleet Supply Cruiser • Battleship • Dreadnought |
| New Submersible Technologies: | Ion-Beam Accelerators • Zrbite • Magnetic Navigation • Aqua Plastics |
| Alien Sub Facilities: | Alien Cryogenics • Alien Cloning • Alien Learning Arrays • Alien Implanter • Alien Sub Construction • Examination Room • Alien Re-animation Zone |