The term "cosmonautics" in this sub-class, includes all transport outside the earth's atmosphere, and thus includes artificial earth satellites, and interplanetary and interstellar travel.
This sub-class deals only with vehicles, equipment, etc., which are peculiarly adapted for cosmonautics. Thus, vehicles and equipment applicable to both cosmonautics and aeronautics are classified in the appropriate aeronautical sub-class of class Fulltext... Hierarchy... Expanded...B64.