Reincarnation of the Veteran Soldier is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

3 Days before Sergeant Kim’s Discharge, he passed away. Suddenly getting told to go to another world the man couldn’t believe it and started to make a mess, he was soon punished to go to the new world naked with no skills. A tearful survival fantasy STORY from a soldier’s perspective.