Complex sentence: His officers had been handpicked by Grand Admiral Alfred von Tirpitz, while his armored cruisers were among the newest in the fleet, his ships would soon be made obsolete by the creation of the battlecruiser.
Split into simpler sentences: His officers had been handpicked by Grand Admiral Alfred von Tirpitz, while his armored cruisers were among the newest in the fleet. However, his ships would soon be made obsolete by the creation of the battlecruiser.