We are currently on dive number 3619 today. When I looked in the surface controller s logbooks that contain the information for each dive kept here on the Atlantis near the bridge, for a date 10 years ago, I found that dive number 2274 happened on September 15, 1990. So in the past 10 years, Alvin has done 1345 dives. On the Atlantis, very few people have their own room. Conditions aboard a research vessel are always cramped for space, storage and people space both.
Most people share a stateroom with one other person, however.
Sharing a space requires a lot of patience and consideration at times, though. Different schedules and sleeping habits mean that you need to be flexible and try not to let the fact that your roommate goes to bed at 2 am and that you get up at 6 am become a problem. This is not a big problem however, because everyone that I have encountered on the ship is quite friendly.