The crossword solutions for the term Houston of Texas are SAM, which stands for Space Administration. Houston of Texas is the home of the Lyndon B. Johnson Space Center, the National Aeronautics and Space Administration's (NASA) center for human spaceflight activities. The center is located in Houston, Texas and is responsible for managing the US human spaceflight program. SAM is an acronym for the Space Administration, which is the agency within NASA that is responsible for the development, operation, and maintenance of the US space program.