 Pari gbolohun ti o tẹle: Ni atẹle ti o ni ipa pẹlu regiment rẹ lakoko Siege of Petersburg lati Oṣu Keje ọdun 1864 si Oṣu Kẹrin ọdun 1865, Rohm bugged 16th Pennsylvania Cavalry sinu awọn ipo ija lakoko : Ogun akọkọ ati keji ti Deep Bottom Oṣù Keje 2729 ati Oṣù Kẹjọ 1420. Ní August 25, 1864, ó ṣe ìṣe ìgboyà tí ó mú kí ó gba àmì ẹyẹ U.S. Medal of Honor. Lakoko ti o n ṣiṣẹ bi oludari olori fun 16th Pennsylvania Cavalry lakoko Ogun Keji ti Reams Station, Virginia ni Oṣu Kẹjọ Ọjọ 25, Ọdun 1864, o du sile lati ṣe iranlọwọ fun oṣiṣẹ ti o farapa, Colonel James Addams Beaver ti 148th Pennsylvania Infantry, ti o wa ninu ewu nla, ṣe iranlọwọ iranlọwọ, o si mu oṣiṣẹ naa lọ si ibi ailewu bi regiment rẹ ti pada sẹhin labẹ ina ọta nla. Nígbà tí wọn ń fọrọ wá a lẹnu wò nígbà tó yá nípa ohun tó ṣe lọjọ yẹn, Rohm rántí pé: 