Prospector/Explorer/Mariner (120 mins)

This is available now on Youtube

Part 1. Construction is started on a Prospector and an Explorer. The craft are taken through the engine and drive installation, and the Prospector is taken into preliminary operations. Operations of other Sevs are shown. "It's No Trick to Build a Sevtec Sev" is recommended along with this video to build Prospector, Explorer or Mariner.