According to the article that I linked: "...the unit that fought in the American Revolution, the War of 1812, the Civil War, and World War I and WWII. The unit was eventually absorbed into the S.C. National Guard".

Read more: http://www.islandpacket.com/2011/09/14/1792941/militias-unsurrendered-flag-returns.html#ixzz1ZAg0GjIF