| Answer | Crossword Clue |
|---|---|
| SEALAB | Underwater naval habitat |
| SEALAB | Naval underwater habitat |
| SEALAB | Underwater habitat |
| SEALAB | Experimental underwater habitat |
| SEALAB | 1960s underwater habitat |
| SEALAB | Experimental Navy underwater habitat |
| SEALAB | U.S. Navy underwater habitat |
| SEALAB | Underwater habitat created by the U.S. Navy |
