The meaning of the Acronym NASA is...

NASA is

• Northmemorial Amateur Sports Association
• Natural Athlete Strength Association

More Meanings For NASA:

• Negotiating Agents Steering API
• National Aeronautics and Space Administration
• Not All Shuttles Arrive
• Never A Straight Answer
• National Acronym Slinging Agency
• No Access to Space for Americans
• Never Admit Seeing Anything
• National Association of Space Astronauts
• Nerds Are Searching for Answers
• Noodle Arrangement Society of America
• Need Another Seven Astronauts
• Nosey Alien Seekers Association
• Not A Shuttle Anymore
• A Now Accepting Seven Applications
• No Access To Space Allowed

NASA is also in:

• Funnies
• Meteorology
• Networking
• Unfiled