undersea

There is an expanded place-name index with more than 150,000 entries, and separate undersea, Moon, and Mars features.

Think advanced unmanned vehicles, all-aspect, broadband stealth, and undersea warfare.

The artifacts came from undersea dives and excavations from the area, which has been inhabited for at least 3,000 years.

Instead she now has new cards, such as one on which a youngster drew undersea creatures writing letters.

As though pulled toward its doom by some enormous undersea monster with ten thousand tentacles and a voracious appetite.

The navigation of the air approaches it in character, but does not present the vital problems of undersea travel.

These seem to have been used, at least, to operate doors of undersea crafts.

We were, apparently, a beacon in that sepia waste where modern undersea monsters were lurking.

I've had considerable experience in undersea work and can't let those boys drown without trying to help 'em!

A few strategically placed fluoros gave an eerie undersea light, just enough to see by—but no one could look in.