In early life he appears to have spent fifteen years at sea.

He spent much of his young days at sea, and probably had a naval career in mind.

He spent a total of 123 days at sea and covered 4278 miles.

There, she spent 30 of her 54 days at sea.

From that time, she spends the summer months at sea.

She spent most of 1967 at sea, making various weapons tests.

He spent much of his early life at sea and in the American colonies.

Your wife would have to understand you spend months at sea each year.

The three days we spent at sea waiting for it took a toll on most of the men.

The ship returned home 26 May 1980, having spent 144 days at sea.