During the Vietnam War, one of the 1st Marine Division's primary area of operation was the southern two provinces of I Corps - Quang Tin and Quang Ngai, located in the southern portion of South Vietnam's I Corps Military Region. Astride the boundary between Quang Nam and Quang Tin provinces is the populous, rice-rich Que Son Valley, considered as strategically important in controlling South Vietnam's five northern provinces. For that reason, it was a principal focus for the Marines in I Corps. In early June 1966, when intelligence reports indicated increased numbers of uniformed North Vietnamese Army (NVA) troops moving into the Que Son Valley, it became an even greater issue. To gain more immediate and timely eyes-on intelligence on the reported movements, seven recon teams from the 1st Reconnaissance Battalion were sent out to ring the large valley. If enemy's positions were located, the teams were to call in artillery and airstrikes against them. Among the seven teams was Team...
