___-Meal (vacuum food storage system), 5 letters
'60s-'70s Navy experiment, 6 letters
Aquanaut's workplace, perhaps, 6 letters
Aquanauts' apartment?, 6 letters
Experimental Navy underwater habitat, 6 letters
Experimental underwater habitat, 6 letters
Habitat for an aquanaut, 6 letters
Habitat for aquanauts, 6 letters
High-pressure habitat, 6 letters
Marine research center, 6 letters
Naval underwater habitat, 6 letters
Naval underwater workshop, 6 letters
Oceanographer's workplace, 6 letters
Oceanography facility, 6 letters
Research submersible, 6 letters
Test site for an aquanaut, 6 letters
U.S. Navy experimental habitat, 6 letters
U.S. Navy underwater habitat, 6 letters
Underwater experiment site, 6 letters
Underwater habitat created by the U.S. Navy, 6 letters
Underwater naval habitat, 6 letters
Underwater research site, 6 letters
Underwater test site, 6 letters
Like envelopes and mason jars, 8 letters
Like some sandwich bags, 8 letters
Aquanauts' workplaces, 7 letters
Experimental habitats for aquanauts, 7 letters
Way back into a boat for a scuba diver?, 9 letters
What a handshake may do, 9 letters
Royal Air Force station in Flintshire, 7 letters
Established water route, 7 letters
Lease an ocean route, 7 letters
Maritime navigational route, 7 letters
Navigational channel, 7 letters
Ocean liner's route, 7 letters
Place to drive a liner?, 7 letters
Ship's navigational route, 7 letters
Way out on the briny?, 7 letters
Where did Lana see liner?, 7 letters
Deck covering to keep out moisture, 7 letters
Envelope gum, for example, 7 letters
It may be under a coat, 7 letters
It's got things covered, 7 letters
Material like an adhesive, 7 letters
Putty, to a glazier, 7 letters
Weatherproofer, e.g., 7 letters
Weatherproofing stuff, 7 letters
Caulks or varnishes, 8 letters
Outdoor applications, 8 letters
Some are used for dentures, 8 letters
W.R. Grace products, 8 letters
Weatherproofing applications, 8 letters