Complex sentence: He obtained his mate's ticket and a wireless operator's certificate, becoming Fourth Officer of the "San Francisco" out of Hamburg, again, the ship was involved in a collision with another vessel in fog near the Hoheweg lighthouse.
Split into simpler sentences: He obtained his mate's ticket and a wireless operator's certificate, becoming Fourth Officer of the "San Francisco" out of Hamburg. The ship was involved in a collision with another vessel in fog near the Hoheweg lighthouse.