▁the ▁foot ▁of ▁East ▁Capit ol ▁Street . ▁ ▁An ▁incident ▁between ▁Colonel ▁John ▁H . ▁McC unn ▁and ▁ 1 st ▁Lieutenant ▁Robert ▁F . ▁Hunter ▁who ▁was ▁then ▁serving ▁with ▁the ▁prov ost ▁guard . ▁McC unn ▁was ▁found ▁guilty ▁of ▁conduct ▁" pre jud icial ▁to ▁the ▁good ▁order ▁and ▁military ▁discipline " ▁though ▁also ▁directed ▁to ▁" res ume ▁his ▁sword ▁and ▁duties ." ▁Their ▁service ▁continued ▁in ▁Col . ▁John ▁H . ▁McC unn ' s ▁Brigade ▁in ▁the ▁Army ▁of ▁N ort he astern ▁Virginia ▁from ▁July ▁ 2 1 , ▁ 1 8 6 1 . ▁ ▁The ▁regiment ▁continued ▁in ▁Hunter ' s ▁Brigade , ▁Division ▁of ▁the ▁Pot om ac ▁from ▁August ▁ 4 , ▁ 1 8 6 1 . ▁Next ▁they ▁served ▁in ▁Richard son ' s ▁Brigade ▁from ▁August ▁ 2 2 , ▁ 1 8 6 1 ; ▁in ▁same ▁brig ade , ▁He int zel man ' s ▁Division , ▁Army ▁of ▁the ▁Pot om ac , ▁from ▁October ▁ 1 5 , ▁ 1 8 6 1 . ▁ ▁The ▁regiment ▁participated ▁in ▁the ▁First ▁Battle ▁of ▁Bull ▁Run ▁in ▁Gen . ▁Mc D ow ell ' s ▁res erves ▁and ▁went ▁into ▁winter ▁qu arters ▁near ▁Ba iley ' s ▁cross - ro ads . ▁After ▁several ▁temporary ▁assign ments ▁the ▁regiment ▁finally ▁became ▁a ▁part ▁of ▁the ▁ 3 d ▁brig ade , ▁ 1 st ▁division , ▁ 3 d ▁corps ▁from ▁March ▁ 1