 When a second diver comes down, if we are going to recover somebody or recover a vehicle and we're coordinating efforts under the water, we can speak to each other and give each other instructions. And in the unlikely event, we get in trouble because there's a lot of potential dangers under the water, submerged objects that you can get hung up in. If somebody needs to come down to you, you can tell them what the problem are. And I do have to say, even though I'm not a person who panics much, I did my residency in the South Bronx and saw a lot of