Operation Masher

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Operation Masher/White Wing
Part of the Vietnam War
Date January 28 – March 6, 1966
Location Bồng Sơn Plain, Kim Sơn Valley, An Lão Valley, Bình Định Province, South Vietnam
Result Allied victory
 United States
Flag of South Vietnam.svg South Vietnam
Flag of South Korea.svg Republic of Korea
Flag of Vietnam.svg North Vietnam
FNL Flag.svg Viet Cong
Casualties and losses
Flag of the United States.svg 288 killed and 990 wounded
Flag of South Korea.svg 10 KIA
Flag of South Vietnam.svg unknown
US reported: 2,389

Operation Masher was a combined U.S., ARVN, and ROKA operation that began on January 28, 1966. The name "Operation Masher" was changed to "Operation White Wing", because the name was deemed too crude for 'nation-building'.

The mission was a search and destroy mission, and had little to do with nation-building. The operation was divided into four Phases.

Masher/White Wing lasted 42 days and ended on March 6. As many as 1,342 enemy soldiers had been killed by the 1st Cavalry Division (Airmobile) at the cost of 288 United States' troops killed and 990 wounded. The ARVN and ROKA forces killed an additional 808 enemy soldiers. The 3rd NVA Division was pronounced destroyed, but later was back in action elsewhere on the battlefield. Along with the operation Tây Vinh Massacre and Gò Dài massacre occurred.[1]


The US Government summarized the amount of firepower deployed during Operation Masher/White wing. 1352 strikes coupled with 1126 fighter sorties unloaded 1.5 million pounds of bombs. 292,000 pounds of Napalm was also used and Operation Masher left over 1884 refugees. By 1967, the amount of Communists captured in Vietnam numbered 17,000 but there were over 1.2 million civilian refugees.


  • Summers, Harry G. Historical Atlas of the Vietnam War. New York: Houghton Mifflin Company.
  • The Ten Thousand Day War Imperial War Museum Dept of Printed Books

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