I have been through a lot of training over the years. After a few beers, people sometimes ask about the toughest training I have ever seen. After you read this story, I think you will agree that Combat Diver Qualification Course, or CDQC, at the Special Forces Underwater Operations School in Key West, Florida, takes the prize. I went through CDQC before it was a seven-week … [Read more...] about Combat Diver Qualification Course: Where Failure Can be Fatal