Complex sentence: In line with the laws of war, these ships can display a prominent Red Cross or Red Crescent to infer protection under the appropriate Geneva convention, however, this designation has not always protected hospital ships from enemy fire.
Split into simpler sentences: In line with the laws of war, these ships can display a prominent Red Cross or Red Crescent to confer protection under the appropriate Geneva convention. However, this designation has not always protected hospital ships from enemy fire.