Their not white berets there light blue for the army air core and a regiment has to be in service for about 40 years before they get a Forrest/peak cap like the others did
+Joseph Gillon They'll be former territorial soldiers mate. Army Reserve as it's called now, and they'll have been called up to afghanistan and so on. Very unusual to see them in training troops/platoons
black with red stripe in the middle is the Royal Regiment of Artillery, white(light blue) IDK and the same for the black hats but the berets and hats represent the regiment their in (i think) if not then maybe the type of regiment their apart of
The white berets are the Army Air Corps and the "black hats" are called peaked caps and they are the standard ceremonial headdress of the British Army. They change depending on the regiment.
I checked the passing out parade of the Pakistani Army, but it wasn't as good as the passing out parades of the Hong Kong Police Force (Both Police College and PTU) or the Hong Kong Fire Services Department. No offense though. Take a look at their parades.
ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-As3nkpKDugQ.html The Hong Kong Fire Services Department passing out parade ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-pWOa1MtGu2U.html The Hong Kong Police Force passing out parade Please take a look at them. Their parades are awesome.