On Oct. 13, 1775, the Continental Congress authorized the creation of the first American naval force, the predecessor of today’s United States Navy. Over the past 247 years, sailors have developed some time-honored traditions and rituals. From “Steel Beach Picnics” on aircraft carriers to costumed line-crossing ceremonies, the life of an American seafarer is one nonstop party. Well, maybe not, but they do know how to have a good time. See for yourself: