text: On anniversaries of various battle honours, and certain other events, a laurel wreath is added to the top of the pike.
  Battle honour equivalents awarded by foreign countries may be added to the colours, subject to permission being given by the head of state. In the Commonwealth, three infantry battalions are permitted to display the  blue streamer that signifies the Presidential Unit Citation/Distinguished Unit Citation (PUC), which is the highest collective award given by the United States:
  2nd Battalion, Princess Patricia's Canadian Light Infantry
  3rd Battalion, Royal Australian Regiment
  6th Battalion, Royal Australian Regiment
  In the United Kingdom, 41 Commando, Royal Marines, and the 1st Battalion, Gloucestershire Regiment, were also awarded the PUC and permitted to display the streamer of their regimental colours.
  Because of their importance to the regiment, prior to a new stand of colours being presented, they are consecrated.
  Royal Air Force
  RAF colours are made of sky blue silk and measure approximately 36" × 36". The following colours have been awarded:
  RAF College, Cranwell, approved 27 December 1947, presented 6 July 1948.
  The RAF in the UK, approved 27 December 1947, presented, 16 May 1951.
  No. 1 School of Technical Training RAF, approved 27 December 1947, presented 25 July 1952.
  RAF Regiment, presented 17 March 1953.