There are four sizes of fanfare trumpet in common use today. In a team of seven players, the British army uses four B-flat melody trumpets, two B-flat tenor fanfares (similar to tenor trombones) and a bass fanfare pitched in B-flat/F. The bands of the Royal Air Force and the Royal Marines use the addition of a soprano fanfare to give a brighter sound. Whatever their musical length, the physical length from mouthpiece rim to bell end is exactly the same for each instrument, as is the position of the banners, giving perfect symmetry when played together. Having several teams of players and sets of instruments, the sight and sound of these instruments is quite spectacular, whether on the parade ground or at a Royal celebration.