Enter a clue or pattern or both:
The Clue
Test site for an aquanaut (6 letter answer)
The Answer
SEALAB
Tags
Notes
The answer SEALAB is rarely seen, appearing only about once every 1600 puzzles.
Related Clues
Aquanaut's base
Aquanaut's place
Aquanaut's workplace
Experimental underwater habitat
Man-made habitat
Underwater experiment site
Navy structure for undersea research