Changes

In the Artillery, a private was in earlier days known as a '''[[Matross]]''', and later as a '''Gunner'''. For some periods in the Artillery, the rank of '''Driver''' existed<ref>sylsec [Sylvia] et al. [http://www.victorianwars.com/viewtopic.php?f=27&t=8485 The rank of Driver in the RA] ''Victorian Wars Forum'' 7 August 2013. Retrieved 4 July 2016.</ref>and this rank was also found in the [[Royal Army Service Corps|Army Service Corps]], for men in Transport related companies.<ref>Waggoner [Gary]. [https://www.greatwarforum.org/topic/240809-rank-vs-appointment/?do=findComment&comment=2418758 Rank vs Appointment] ''Great War Forum'' 4 July 2016. Retrieved 24 May 2018.</ref> A private in the Cavalry was known as a '''Trooper''' (abbreviation: Tpr). In the Engineers the ranks of '''Sapper''', and '''Pioneer''' were equivalent to a private. For Foot Guards (Infantry), ''' Guardsman''', for Fusilier Regiments (Infantry), '''Fusilier''', and for Rifle Regiments (Infantry), '''Rifleman''' were all equivalent to a private. Some of these ranks were only officially introduced in 1923, although they had been in common use prior to that.<ref>[https://web.archive.org/web/20120302035120/http://www.rgjmuseum.co.uk/pages_dykt/dykt_0002.asp Did You Know That?] The Royal Green Jackets(Rifles) Museum, an archived webpage.</ref>. Additionally there was the rank of '''Trumpeter''' (abbreviation: Tptr or Tpr). Look To interpret the abbreviation Tpr you will need to look at the context, including timeframe, for the abbreviation Tprtime period, to distinguish between Trooper and Trumpeter.