Webon 18 september 1965, the 2nd battalion, 7th cavalry arrived in qui nhon harbor, republic of vietnam. In the famous battles of the la drang valley in november 1965,. Web9 rows · 7th cavalry regiment : This site is dedicated to all the men who served with co. D, 2/7th cavalry during the vietnam war. We have tried to identify all of the individuals who were with the unit during the period from 1965 to 1972. Webfind 2nd battalion, 7th cavalry unit information, patches, operation history, veteran photos and more…