nothing for 200 years????
Lets take a quick look at the Aircraft Carrier USS John C. Stennis pictured above.......
Steel ship, Steam Turbines, Screw Propellors, Steam Catapult, Jet engines, Radar, Aircraft arresting cable, Refrigeration! The US Navy!!! all British inventions....
These are just the obvious ones, need I go on and actually do some research?
angled deck.