M2 Browning Heavy Machineguns M1918 Browning Automatic Rifles Lieutenant Colonel Irving Compton 72nd Infantry Regiment, is a reserve military unit and formation of Philippine Commonwealth Army who fought during World War II in Northern Luzon and in Bataan Peninsula.

72nd Infantry was under 71st Division and was first designated as reserve unit of North Luzon Force under Major General Jonathan M. Wainwright IV, USA that can only be committed if permitted from USAFFE Headquarters.

They were transferred to Camp Tinio in Nueva Ecija to continue training and further assemble the entire division, it is now under Colonel Clyde Selleck.

He was replaced by Lieutenant Colonel Irving Compton after Battle of Layac Junction as he was transferred to the island of Corregidor.

[citation needed] On December 8, 1941, all units were put on high alert as Japanese bombed Pearl Harbor and Clark Air Fields.

[citation needed] On December 22, 1942, USAFFE notified all its units of the old War Plan Orange 3 in effect due to unexpected Japanese landings in Lamon Bay.

[3] After Battle of Layac Junction 71st Division was so battered and their fighting capability was down to less than 2,000 due to casualties, sick, and exhaustion.

USAFFE headquarters assessed the situation and concluded that General Selleck is not aggressive enough to attack Japanese positions.

[citation needed] Seeing his troops could no longer hold and fight, General Edward P. King, commander moved forward and surrender entire Bataan Force on April 9, 1942.