In April, we told you about a Monroe County Sheriff's Deputy's cancer battle. In May, Deputy Caleb Dunn found out he no longer had lymphoma. On Tuesday, he dove in head first with his two teammates on the Monroe County Sheriff's Underwater Recovery Team. Claire Davis spent the day in Forsyth to see the group practice.

Monroe County Sheriff's Deputy Caleb Dunn says he was diagnosed with Hodgkin's lymphoma, a cancer of the lymph nodes in December of 2015. "I found out in May that I was cancer free. No more lymphoma," he said. "I've been back for about 3 months now. I'm enjoying it. Every day, it's something new, back to what it used to be," said Dunn.

On Tuesday, Dunn got his feet wet for the first time since May. "Getting back in the water is definitely, I wouldn't say challenging, it's a new obstacle that you kind of work around," said Dunn.

He's one of three on the Monroe County Sheriff's Office Underwater Recovery Team. "We've got an old Pontiac Fiero down in the water and there's a little dummy down in there that we're gonna go pull out and rescue and do some dark water stuff, I think. Just working on techniques and trying to master things," said Dunn.

The trio trains once a month in the 74-degree pool at the Georgia Public Safety Training Center in Forsyth, pulling 200 pound dummies out of cars and practicing what it would be like to gather evidence with little visual help. "It's important that we get our basic fundamentals down here, and our more intermediate type stuff done here so we can do it more safely out in the water and in a real time situation," said Dunn.

Dunn says it can take anywhere from 5 to 20 minutes to get all of their scuba gear on before they take the plunge.