Complex sentence: Four days later, off Ambon Harbor, she spotted a convoy of four merchantmen escorted by two destroyers and a "Pete" seaplane, fired two salvoes of three torpedoes each, and crash dived to avoid the destroyers, and bombs from the scout plane.
Split into simpler sentences: Four days later, off Ambon Harbor, she spotted a convoy of four merchantmen escorted by two destroyers and a "Pete" seaplane. She fired two salvoes of three torpedoes each, then crash dived to avoid the destroyers and bombs from the scout plane.