Imelda Muller, 34, considers Copake Falls, New York, her hometown. She formerly was a lieutenant in the U.S. Navy and served as an undersea medical officer after training at the Naval Undersea Medical Institute. Muller earned a bachelor's degree in behavioral neuroscience from Northeastern University and a medical degree from the University of Vermont College of Medicine. Her experience includes providing medical support during Navy operational diving training at NASA's Neutral Buoyancy Laboratory. At the time of her selection, Muller was completing a residency in anesthesia at Johns Hopkins School of Medicine in Baltimore.