Two separate Ranger units fought the war in the Pacific Theater. The 98th Field Artillery Battalion was formed on 16 December 1940 and activated at Fort Lewis in January 1941. On 26 September 1944, they were converted from field artillery to light infantry and became 6th Ranger Battalion. 6th Ranger Battalion led the invasion of the Philippines and executed the raid on the Cabanatuan POW camp. They continued fighting in the Philippines until they were deactivated on 30 December 1945, in Japan.