The tiger stripes are to honor the 3rd Tallarn Desert Tigers. The regiment of Al'rahem the savior of the N''go tribesmen and the First Imperial Lord of Thoth. As they're Mechanised desert camo isn't so important but as a recon reg. if they have to do dismounted recon they care extra camo shemaghs to cover their heads. The 3rd Thoth ACR's unofficial name is the N'go Bangles.