The term HE-CATS is an acronym for Human Exploration Capabilities Analysis and Technology Studies. This acronym is used to refer to a group of experts from the National Aeronautics and Space Administration (NASA) who are responsible for studying and analyzing the capabilities of human exploration in space. The group is also responsible for researching and developing new technologies that can be used to support space exploration. The crossword solutions for the term HE-CATS are TOMS, which stands for Technical Operations and Maintenance Services. This refers to the services provided by the group to ensure the successful operation and maintenance of the space exploration technology.