LONDON , England ( CNN ) -- Britain 's Prince William is starting a two-month attachment with the Royal Navy on Monday , part of the future king 's continued experience with various branches of the military , the Ministry of Defense said Saturday . Prince William and his father , Prince Charles , at his graduation from the Royal Air Force in April . William , 25 , will spend the first part of his attachment on a basic sea safety course training in sea survival , firefighting and ship damage repair , according to the ministry . If William passes the course , as expected , he will join the HMS Iron Duke in the Caribbean , the department said . The ship 's function is to support overseas British territories in the event of a hurricane and to carry out counter-narcotic operations . The prince , who will be called Sub Lieutenant Wales in the Navy , is expected to spend time aboard a frigate , a mine hunter , a submarine and helicopters during his attachment , which ends August 1 , the Ministry of Defense said . William completed a four-month attachment with the Royal Air Force this year and received his pilot 's wings upon graduating in April . He learned to fly three different aircraft during the attachment and is known as Flying Officer Wales within the RAF . William is also a second lieutenant in the British Army , where he serves in the Blues and Royals regiment of the Household Cavalry . The attachments are designed to provide the prince with military experience for when he becomes head of the armed forces as king . `` When he becomes king , he needs to know his armed forces -- instinctively be very familiar with them -- and so he is doing this visit to the Royal Navy , '' said Rear Adm. Bob Cooling , the assistant chief of naval staff . William 's father , Prince Charles , had a five-year career in the navy in the 1970s . Charles served on the guided missile destroyer HMS Norfolk and two frigates before qualifying as a helicopter pilot and joining a naval air squadron that operated from the aircraft carrier HMS Hermes . Prince Charles spent his last nine months in the navy in 1976 in command of the coastal minehunter HMS Bronington . William 's uncle Prince Andrew served 22 years in the Royal Navy as a helicopter pilot , seeing active service during the Falklands War between Britain and Argentina in 1982 . Queen Elizabeth II 's husband , Prince Philip , William 's grandfather , spent more than 13 years in the Royal Navy . He saw active service throughout World War II and was in Tokyo Harbor when Japan surrendered .
Blues 's Prince William begins Monday attachment with the British Army on Monday . Prince William has completed attachment with the Royal Air Force . The future king is a first lieutenant in the British Army . Experience will prepare him for when he becomes head of armed forces as king .