 Complete the following phrase:  Iwate was first used as a training ship in 1916 and remained in that role for most of the rest of her career. Her sister, Izumo, was mostly used for training during the 1920s, but became flagship of the IJN forces in China in 1932. She was involved in the Shanghai Incident that year and in the Second Sino-Japanese War that began five years later. The ship was used in the early stages of the 