9762
He had a huge influence on the Royal Navy in a career spanning more than 60 years , starting in a navy of wooden sailing ships armed with muzzle-loading cannon and ending in one of steel-hulled battlecruisers , submarines and the first aircraft carriers .
 organization: Royal Navy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 organization: Royal Navy