In 2267, she was a member of the landing party sent to Gamma Hydra IV to respond to a distress call. While on the surface, Galway was affected by a radiation illness that caused hyper-accelerated aging. Among her symptoms was hearing loss, which she had never experienced before. When she approached Doctor Leonard McCoy about it, he suggested hypersonic treatment.
Later, McCoy suggested she lay down and rest in her quarters, but Galway was hesitant, fearing how she would appear when she awoke again. Captain Kirk, understanding her feelings, "ordered" her back to work, much to her relief. While leaving sickbay, she looked at herself in the mirror with dismay.