 As a fleet flagship , her complement was 115 officers and 1 @,@ 860 men in 1947 . Air conditioning was provided for many of the ship 's control spaces , and asbestos insulation was provided on exposed areas of the ship 's sides , decks and bulkheads . Steam heating was provided for her armament , instruments , look @-@ out positions and other equipment to make Vanguard suitable for operations in the Arctic . An Action Information Centre was fitted below the main armour deck with facilities to track aircraft and ships around Vanguard . 
