Complex sentence: He sustained wounds aboard the battleship "Mikasa" in the Battle of the Yellow Sea (August 1904) and later as executice officer on the "Niitaka", "Okinoshima", "Naniwa" and "Nisshin".
Split into simpler sentences: He sustained wounds aboard the battleship "Mikasa" in the Battle of the Yellow Sea (August 1904). He later served as executive officer on the "Niitaka", "Okinoshima", "Naniwa" and "Nisshin".