[1] U.S. intelligence reports indicated that the People's Army of Vietnam (PAVN) 9th Division planned to attack the Army of the Republic of Vietnam (ARVN) 8th Regiment, 5th Infantry Division in the Dầu Tiếng District and was massing its forces in the Boi Loi Woods 12 km south of Dầu Tiếng.

[1] Concerned about possible leaks by the ARVN III Corps staff, Seaman shared a false plan indicating that the target was the Michelin Rubber Plantation east of Dầu Tiếng and B-52 strikes were conducted in that area to lend it credibility.

[1] On the morning of 21 February 142 helicopters began lifting the 2nd and 3rd Brigades of the 1st Infantry Division to establish a cordon around a 100 square kilometer area around the west bank of the Saigon River.

The units then moved in from the north and south discovering abandoned base areas, hospitals and supplies but few PAVN soldiers.

[1]: 175 This article incorporates public domain material from websites or documents of the United States Army Center of Military History.