Chapter 22, Hazardous Cargo Summary

The spaceship Galaxy heads toward Europa to do a flyby investigation with Dr. van der Berg along as the mission planetologist under Captain Eric Laplace. Explosives are discovered in the cargo that turn out to be scientific probes that use solid rocket fuel, which registers as explosives.

Chapter 22, Hazardous Cargo Analysis

The mission to Europa will turn out odd, and as already known, involves landing on the surface. The rocket probes are also odd, not so much that the scientists neglected to declare the explosives, but that they are needed in the first place. The chapter establishes intrigue around the scientists' true goal, which is likely associated with Mount Zeus.