Complex sentence: The Patrol was renamed the Philippine Naval Patrol, with Jose Andrada as its first commodore and chief It was also the year when the naval aviation arm of the Navy was formed, which is now the Naval Air Group.
Split into simpler sentences: The Patrol was renamed the Philippine Naval Patrol, with Jose Andrada as its first commodore and chief. This was also the year when the naval aviation arm of the Navy was formed, now the Naval Air Group.