Both nuclear-powered warships, displacing 100,000 tonnes each, are home to upwards of 6,000 sailors, marines and aviators, some 60 fast-jets – mostly F/A-18 Hornet strike fighters – plus intelligence gathering Hawkeyes and around 20 helicopters. They can launch more than 120 sorties a day during intensive operations including catapulting more than 20 F/A-18s skywards one after another in rapid succession.