The term PT. OF NASA is an acronym for two positions within the National Aeronautics and Space Administration (NASA). The first position is ADMIN, which stands for Administrator, and is a five-letter word. This position is the highest ranking official in the agency and is responsible for the overall direction and management of the organization. The second position is NATL, which stands for National, and is a four-letter word. This position is responsible for providing national leadership and direction to the agency's programs and activities.