Operation Prairie (August 3 – October 27, 1966) was a military operation in northern South Vietnam. Its job was to eliminating North Vietnamese Army forces south of the DMZ. During August, 2nd Battalion 4th Marines, 3rd Battalion 4th Marines and other units saw heavy fighting with the NVA 324B division. Prairie was a string of battles that was fought in the foothills south of the DMZ. Some of these areas were called: Mutter's Ridge, the Razorback, Hill 400, Hill 484 and The Rockpile. The Commander of E Company 2nd Battalion 4th Marines, Capt. Howard V. Lee was awarded the Medal of Honor for his outstanding bravery during this operation.