▁designated ▁as ▁the ▁Ber k shire ▁( Res erve ) ▁B atter y ▁R HA ▁and ▁later ▁given ▁a ▁fraction al ▁design ation ▁as ▁ 2 / 1 st ▁Ber k shire ▁B atter y , ▁R HA . ▁ ▁The ▁battery ▁joined ▁the ▁ 2 nd ▁line ▁ 2 / 2 nd ▁South ▁Mid land ▁Mount ed ▁Brigade ▁when ▁it ▁was ▁formed ▁in ▁September ▁ 1 9 1 4 . ▁ ▁On ▁ 6 ▁March ▁ 1 9 1 5 , ▁the ▁ 2 / 2 nd ▁Mount ed ▁Division ▁was ▁formed ▁to ▁replace ▁ 2 nd ▁Mount ed ▁Division ▁which ▁had ▁been ▁war ned ▁for ▁over se as ▁service . ▁ ▁The ▁brig ade ▁joined ▁the ▁division ▁on ▁East ▁Coast ▁Def ences ▁in ▁March ▁ 1 9 1 5 ▁and ▁concentr ated ▁at ▁King ' s ▁Lyn n ▁with ▁the ▁battery ▁at ▁North ▁Run ct on . ▁ ▁The ▁batter ies ▁of ▁the ▁division ▁were ▁quite ▁un ready ▁for ▁war . ▁ ▁Three ▁had ▁no ▁horses , ▁the ▁fourth ▁had ▁just ▁ 2 3 ; ▁three ▁batter ies ▁had ▁over ▁ 2 0 0 ▁men ▁on ▁average , ▁but ▁the ▁other ▁just ▁ 9 1 . ▁ ▁The ▁Ber k shire ▁battery ▁was ▁only ▁issued ▁with ▁s ights ▁for ▁its ▁Or dn ance ▁B L ▁ 1 5 ▁p ound ers ▁in ▁December ▁ 1 9 1 5 , ▁but ▁had ▁no ▁am mun ition . ▁ ▁On ▁ 1 7 ▁January ▁ 1 9 1 6 ▁it ▁received ▁four ▁slightly