 Nekubuda kwehurumende yake muUnited States, Isaac akadzokera kuBurke County, uye pamwe chete nemukoma wake Alphonso, vakapinda muKambani E ye6th North Carolina Regiment. Somutungamiriri, Avery akatungamirira boka racho, iro rakarwa muHondo Yokutanga yeBull Run uye Hondo yeSeven Pines. Muzhizha ra1862, akasimudzirwa kuva colonel. Akakuvadzwa paGaines Mill uye akanga asingachaiti basa kutozosvikira mukupera kwematsutso. Kupora kwaAvery kwakamuita kuti asapinda muhondo dzeSecond Bull Runuye Antietam. Zvichitevera kurongwazve kwemauto mushure meHondo yeFredericksburg, 6th North Carolina yakaiswa pasi pekutungamira kwechinyakare Brig. Gen. Robert F. Hoke. 