 In the sector of the 36th Infantry Division (Maj. Gen. John E. Dahlquist), the day's fighting produced a heroic performance by a rifleman of the 142d Infantry, Pfc.Silvestre S. Herrera.After making a one-man charge that carried a German strongpoint and took eight prisoners, Herrera and his platoon were pinned down by fire from a second position protected by a minefield.