History 10-20 May 1969: The Battle of Hamburger Hill James Springer May 10, 1969 2 Comments army of the republic of vietnambattlebattle of hamburger hillbloodyhamburgernational liberation frontnixon doctrinepeople's army of vietnamPeople's Liberation Armed Forces of Vietnamsecond indochina warshow-in-timelinesoldiersus militaryviet congvietnam bordervietnam warvietnamisation In May 1969, US involvement in Vietnam was at an… Read More 10-20 May 1969: The Battle of Hamburger Hill