Read more about the campaign
The U.S. and the ARVN's took advantage of a window created by a regime change in Cambodia to launch an assault to wipe out COSVN strongholds existing just across the boarder. Most of these campaigns were labeled "Toan Thang XX. i.e.43, 44. The involvement of the 25th Divisions 1st and 2nd Brigade were under Operation Bold Lancer I & II starting May 4th and lasting until their forces withdrew on June 28, 1970
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