: B rit ish ▁MP s ▁ 1 7 1 5 – 1 7 2 2 ▁Category : B rit ish ▁MP s ▁ 1 7 2 2 – 1 7 2 7 ▁Category : K ing ' s ▁Regiment ▁( L iver pool ) ▁officers ▁Category : D u ell ists <0x0A> </s> ▁The ▁ 1 0 th ▁Regiment , ▁New ▁York ▁Vol unte er ▁Caval ry ▁(" P orter ▁Guard ") ▁was ▁a ▁caval ry ▁regiment ▁that ▁served ▁in ▁the ▁Union ▁Army ▁during ▁the ▁American ▁Civil ▁War . ▁ ▁Service ▁The ▁ 1 0 th ▁New ▁York ▁Caval ry ▁was ▁organized ▁in ▁El mi ra , ▁New ▁York ▁beginning ▁in ▁August ▁ 1 8 6 1 ▁and ▁must ered ▁in ▁September ▁ 2 7 , ▁ 1 8 6 1 , ▁under ▁the ▁command ▁of ▁Major ▁Mat hew ▁Henry ▁A very . ▁ ▁The ▁regiment ▁was ▁attached ▁to ▁Bay ard ' s ▁Caval ry ▁Brigade , ▁Army ▁of ▁Virginia , ▁August – Se ptember ▁ 1 8 6 2 . ▁Bay ard ' s ▁Brigade , ▁Caval ry ▁Division , ▁Army ▁of ▁the ▁Pot om ac , ▁to ▁January ▁ 1 8 6 3 . ▁ 1 st ▁Brigade , ▁ 3 rd ▁Division , ▁Caval ry ▁Corps , ▁Army ▁of ▁the ▁Pot om ac , ▁to ▁June ▁ 1 8 6 3 . ▁ 2 nd ▁Brigade , ▁ 2 nd ▁Division , ▁Caval ry ▁Corps , ▁June ▁ 1 8 6 3 . ▁ 3 rd ▁Brigade , ▁