Fun fact: subsea human habitats aren't new. They've been around since the '60s. But it's been some time since serious innovation took place in undersea living. Vanguard, our pilot habitat, is helping move that legacy forward. Roger Garcia, Director of Habitat Operations at DEEP, has spent close to 100 days living in an underwater habitat. Here he is explaining what it's like. #DEEP #Vanguard #Aquanaut