He personally took control of the maneuver .
On 28 June 1944 , while his platoon was attempting to take a bitterly defended high ridge in the vicinity of Donnay , Lt. Col. O'Brien arranged to capture the ridge by a double envelopment movement of 2 large combat battalions .
O'Brien personally took control of the maneuver .
On 28 June 1944 , while his platoon was attempting to take a bitterly defended high ridge in the vicinity of Donnay , Lt. Col. O'Brien arranged to capture the ridge by a double envelopment movement of 2 large combat battalions .