Operation Wheeler/Wallowa was an operation during the Vietnam War. It was an offensive on the part of the Americans, of which the My Lai Massacre by a platoon led by Lt William Calley was part. Operation Wheeler was characterized by battalion size combat assaults of the high ground west of Tam Ky in Quang Nam province. These combat assaults were followed by search and destroy operations to find and destroy enemy forces, base camps, and fortifications. On 11 Sep 1967, the operation was launched under the control of the 1st Brigade, 101st Airborne Division.