Roberts gunnery to Hiryu Fct6Fds63d6 Alaska secondaries to Hiryu/Zuikaku 5d6 Midway to Hiryu/Zuikaku 6d6 Surcouf gunnery to Hiryu/Zuikaku 5d6 Roberts torpedo to Hiryu/Zuikaku 1d6 Surcouf torpedo to Zuikaku 2d6 Alaska mains to Zuikaku 13d63d6·5d6·6d6·5d6·1d6·2d6·13d6