Slinging the gun and drawing comfort from its familiar weight, he made a slow circuit of the Thunderbolt's central superstructure.
The remains of another three to four men were found on the central superstructure on July 24.
Its southern counterpart, 9.1 m (29 ft) in diameter, had pitched limestone walls 0.8 m (2 ft) wide and a central stone-packed post-hole supporting a timber superstructure and tiled roof.
Within a few minutes, fires broke out on Yangwei, which quickly engulfed the central superstructure with its numerous wooden partitions covered with thick layers of flammable varnish.
The U.S. firm of Gibbs & Cox provided four designs; one for a conventional battleship, and three hybrid designs which combined battleship main armament with a raised flight deck on the central superstructure capable of operating up to 30 aircraft.
The fire on the Skaubryn caused great damage to her forward and central superstructure, whilst her stern remained untouched.
The central superstructure remained, however, and turbulence caused by it badly affected the landing deck.
The ships' secondary battery consisted of twelve 15 cm SK L/45 quick-firing guns mounted in armored casemates along the central superstructure.
Named for Cerberus, the three-headed guard dog of Hades from Greek mythology, Cerberus was the first of the 'breastwork monitors', which differed from previous ironclad warships by the fitting of a central superstructure containing rotating turrets.