Gw mau tau Pangkat Ketenteraan dari William, Putera Wales. Jelasin dalam bahasa melayu

January 200616 December 2006: Officer Cadet

16 December 200616 December 2006: Cornet (Second lieutenant), The Blues and Royals (short service commission)

16 December 20061 January 2009: Lieutenant, The Blues and Royals

1 January 20081 January 2009: Flying Officer, Royal Air Force

1 January 20081 January 2009: Sub-lieutenant, Royal Navy

Sejak 1 January 2009: Lieutenant, Royal Navy

Sejak 1 January 2009: Captain, The Blues and Royals (and transferred to a full regular commission)

Sejak 1 January 2009: Flight Lieutenant, Royal Air Force

Sejak 23 April 2008: Royal Knight Companion of the Most Noble Order of the Garter (KG)

Since 25 May 2012: Extra Knight of the Most Ancient and Most Noble Order of the Thistle (KT)

Sejak 17 March 2013: Personal Aide-de-Camp to HM The Queen (ADC(P))

Prince William adalah ahli ke 1,000 mendaftar sebagai Order of the Garter, dan secara rasmi dilaburkan oleh Ratu pada 16 Jun 2008 di sebuah majlis di [Chapel [St George, Istana Windsor.]] Kali terakhir cucu raja yang dilantik  ke dalam Order of Garter itu pada tahun 1894, apabila Queen Victoria melabur Prince Alfred, Prince Keturunan Saxe-Coburg dan Gotha.