Alvin pilot Bruce Strickrott conducts pre-dive safety training with Dan MacDonald, a University of Delaware graduate student. All potential Alvin divers are fitted with Emergency Breathing Apparatus masks that are tested to ensure they seal tightly around their faces. (Photo by Chris Linder, Woods Hole Oceanographic Institution)
Duke University scientist Cindy van Dover donned her EBA in Alvin’s personnel sphere Sunday, following training protocols. When a CO2 scrubber malfunctioned, the mission was aborted and the sub and occupants surfaced safely. (Photo by Jefferson Grau, Woods Hole Oceanographic Institution)