sentences:  Total South Vietnamese losses were 392 men killed and missing.From 7 to 10 September 1965 the 3rd Marine Battalion participated in Operation Piranha on the Batangan Peninsula with US Marine forces.From 6-22 August 1966 3 Marine Battalions participated in Operation Colorado/Lien Ket 52 with the ARVN 2nd and 4th Battalions, 2nd Division and elements of the US 1st Marine Division against the People's Army of Vietnam (PAVN) 2nd Division in the Hiệp Đức District.