Colonel (later Brigadier General) Guy O. Fort (PA) a long time PC officer was appointed as division commander in November 1941, and was later tortured and executed by the Japanese, apparently because he would not comply with their frustrated attempts to use him for propaganda in Mindanao.

However, Lieutenant Colonel Calixto Duque took over as Division Chief of Staff in February 1942, Major Dominador Garcia is the G3 Operations.

2nd Battalion 82nd Infantry under 1Lieutenant Luis Jakosalem was sent to Mindanao to augment the Davao subsector under Lieutenant Colonel Roger Hilsman in early December 1941, they are the first element to engaged Japanese forces.

Upon transfer Major Alvin T. Wilson took over the command of the battalion and was assigned to the southern part covering the Daliao-Talomo-Matina road.

81st Infantry Regiment was transferred to Agusan Sector and commanded by LCol Arden R. Boellner as Lieutenant Colonel Ruperto Kangleon was designated as Brigade executive officer.

William Van Norstrand assumed command as Colonel Boellner was appointed as chief of staff of 102nd Division.

2nd Regular Regiment gave formidable defense but had to withdraw to avoid being flank as units from 101st Division defending Davao-Cotabato road retreated.

Eugene Mitchell commander of 61st Infantry tried to mount another defensive lines but his troops are annihilated and have to withdraw and in the chaos he was captured.

Took stragglers from 61st Infantry and constabularymen, preventing to Japanese from reaching Cagayan sector to link with Kawamura detachment.

Wendell Fertig in Lanao area and Col. Ruperto Kangleon who went back Leyte after escaping and established his own guerilla unit there.

General Guy O. Fort was executed by Japanese when he refused to convince his soldiers who went to mountains to fight as guerillas to surrender.