Turner initially joined the Massachusetts National Guard, and was called to active duty in 1941 to serve in World War II.

[2] Rank and organization: Sergeant First Class, U.S. Army, 2nd Reconnaissance Company, 2nd Infantry Division Place and date: Near Yeongsan, Korea, September 1, 1950 Entered service at: Massachusetts.

A large enemy force launched a mortar and automatic weapon supported assault against his platoon.

Leaving his secured section he dashed through a hail of fire to the threatened position and, mounting a tank, manned the exposed turret machine gun.

This intrepid and heroic performance enabled the platoon to withdraw and later launch an attack which routed the enemy.