Possible Clues:

• Shuttle facility
• Zero-gravity research site
• Site of extraterrestrial experimentation
• Revolutionary scientific facility — Pascal be damned!
• Site of zero-gravity experiments
• Site of experiments on shuttle flights
• Experimental facility flown on US Shuttle
• Setting of 1990s microgravity experiments
• Step into block for an out-of-this-world facility
• No end of stuff in bundles piled up in remote research base