However, elements of Troop C, 26th Cavalry, and Companies C and E, 43d Infantry, all isolated in Northern Luzon, became the core of guerrilla units which continued to resist until the end of the war.

These instructors were organized into a reserve force for Colonel William P. Morse's 102nd Division (PA).

[1] They continue to serve in this role during the final defense of Mindanao town of Dalirig in the Cagayan Sector.

These companies, led by Major Allen Peck, "made a brave stand" in Dalirig on 9 May 1942 to cover the withdrawal of the Philippine Army 62d Infantry Regiment during their retreat from defenses near the Del Monte airfield.

The Scouts stood their ground until they were surrounded on three sides by Japanese troops from the Kawamura Detachment.