unusual newsday, which may b in part a function of th holiday? but i don t really think, so i think it s just turning out to be an unusual newsday. first, of all i should mention that this remarkable search an rescue operation is stil underway right now about 370 miles off the coas of newfoundland in the north atlantic a submarine is an autonomous self supporting undersea vessel. a submersible, as opposed to a submarine, is a vessel tha also goes under the water bu it is not autonomous it has the use either anothe ship or a surface platform o some kind as a home base t which it is based. the vehicle that has been lost that they are looking for righ now, is a submersible. the ship from which it launche lost contact with it yesterday about an hour and 45 minutes after it started a dive. the dive was supposed to b about two and a half hours down, three hours on the bottom of the ocean, and then another tw hours back so it was about eight hour beneath the waves but about an hour