Complex sentence: HMS "Bonaventure" was a Dido class cruiser of the Royal Navy, due to shortages "Bonaventure", Dido and Phoebe were completed without one 5.25 inch gun and had a 4-inch starshell gun instead as its main armament.
Split into simpler sentences: HMS "Bonaventure" was a "Dido"-class cruiser of the Royal Navy. Due to shortages "Bonaventure", Dido and Phoebe were completed without one 5.25 inch gun and had a 4-inch starshell gun instead as its main armament.