The 538th Engeneer Maintenance Company was part of the 4th Ordnance Bn was in every phase of the Korean War. The 4th was under the 60th Ordnance Group during the war. After the Armistice the 4th moved to Uijongbu and the 538th Engeneer Maintenance Company ended up just west of Camp Casey, at a small camp in Tongduchon called Camp Nimble.
E mail to Bruce Richards