Complex sentence: The Naval Vessel Register (NVR) is the official inventory of ships and service craft in custody or titled by the United States Navy It traces its origin back to the 1880s having evolved from several previous publications.
Split into simpler sentences: The Naval Vessel Register (NVR) is the official inventory of ships and service craft in custody or titled by the United States Navy. The NVR traces its origin back to the 1880s having evolved from several previous publications.