In the early 20th century Britain opted for a third fighting force, an air force, and America was experimenting with the world's first vessel with turbo electric drive, Jupiter , a 20,000-ton collier, subsequently converted as their first aircraft carrier, Langley .A century later America has the capability to launch between 90 and 120 attack aircraft from each of its 16 nuclear carriers, which vessels refuel every twenty-five years, while Britain...