Guided missile and Space probe

Guided missile noun - A rocket-propelled missile whose path can be controlled during flight either by radio signals or by internal homing devices.

Space probe and guided missile are semantically related. In some cases you can replace phrase "Space probe" with "Guided missile", this phrases are similar.

Space probe noun - A rocket-propelled guided missile that can escape the earth's atmosphere; makes observations of the solar system that cannot be made by terrestrial observation.

Guided missile and space probe are semantically related. Sometimes you can use "Guided missile" instead a noun phrase "Space probe".