<Li> Wheeler / Wallowa </Li> <Li> 1st Loc Ninh </Li> <Ul> <Li> New Year's Day Battle of 1968 </Li> <Li> Khe Sanh </Li> <Li> Coburg </Li> <Li> Tet Offensive </Li> <Li> 1st Saigon </Li> <Li> Hue </Li> <Li> 1st Quảng Trị </Li> <Li> Ban Houei Sane </Li> <Li> Lang Vei </Li> <Li> Lo Giang </Li> <Li> Truong Cong Dinh </Li> <Li> Lima Site 85 </Li> <Li> My Lai Massacre </Li> <Li> Pegasus </Li> <Li> Toan Thang I </Li> <Li> Scotland II </Li> <Li> Delaware </Li> <Li> Allen Brook </Li> <Li> May' 68 </Li> <Li> Kham Duc </Li> <Li> Coral--Balmoral </Li> <Li> Mameluke Thrust </Li> <Li> Robin </Li> <Li> Duc Lap </Li> <Li> Vinh Loc </Li> <Li> Maui Peak </Li> <Li> Meade River </Li> <Li> Speedy Express </Li> </Ul> <Li> New Year's Day Battle of 1968 </Li>

When did the us enter and exit the vietnam war