The document provides summaries of 10 different navies: 1. The Taiwan navy avoids using the number 4 in ship numbering due to a superstition regarding its pronunciation. 2. The Italian Navy maintains around 60 ships but only around 20 are available at a time. 3. Over 100 ships were transferred from the US Navy to the South Korea Navy after the Korean War until the 1990s. 4. The Indian Navy is led by the President of India as Commander-in-Chief and a four-star Admiral as Chief of Naval Staff. 5. The French Navy consists of 84 operational vessels including an aircraft carrier and nuclear attack submarines. 6. As of 2015 the Royal Navy has 76