Yeovilton flying Blackburn Rocs, Blackburn Skuas and Gloster Gladiators. They encounter genies, common and sophisticated thieves, rocs, aliens and robots good and bad. One of the two ROCs to survive is WSROC. WSROC has been cited as one of Australia's most successful ROCs. Sokurah leads Sinbad and his starving men to the nesting place of the giant Rocs. He is the namesake of the ROCS "Cheng Ho" missile frigate in Taiwan. At present, India has seven such Directors and 22 ROCs. Three new ROCs were opened in Kalay, Bhamo and Mongsat. On 28 April 1937, the Air Ministry placed an order for 136 Rocs. The Union Government maintains administrative control over ROCs through Regional Directors. Network Rail envisage the twelve ROCs to be controlling the entire network by 2058. Suppliers meet their obligations by presenting "Renewable Obligation Certificates" (ROCs) to Ofgem. Shipbuilding to be refitted before re-commissioning into the ROCN in 1997 as ROCS "Chung Ping". Most ROCs are concentrated on one or several locations in larger cities. These RCCs and ROCs function as the daily operations control rooms.