Complex sentence: During the Battle of the Coral Sea, United States Navy aircraft carrier aircraft attack and sink the Imperial Japanese Navy light aircraft carrier Shōhō; the battle marks the first time in the naval history that two enemy fleets fight without visual contact between warring ships.
Split into simpler sentences: During the Battle of the Coral Sea, United States Navy aircraft carrier aircraft attack and sink the Imperial Japanese Navy light aircraft carrier Shōhō. The battle marks the first time in the naval history that two enemy fleets fight without visual contact between warring ships.