It was formed out of a new concept that was among the lessons learned from the Battle of Marawi against terrorist forces in urban environment.

[2] The maneuver components of the 1BCT are two infantry battalions and one mechanized infantry battalion plus maneuver support consisting of specialized enablers such as field artillery and engineer combat battalions, reconnaissance company and units from signal, intelligence, civil-military operations, military police, explosive ordnance, CBRN (chemical biological radiological and nuclear), and sustainment components composed of a forward service support unit and a forward medical platoon.

[4] It is expected that the unit will undergo its first joint military training with US forces in the upcoming Salaknib and Balikatan Exercises slated for 2019.

[2] On 30 May 2019, it has been reported by Philippine Media that the 1st Brigade Combat Team will be assigned to the 11th Infantry Division in Sulu to aid in the operations against the Abu Sayyaf.

[5] On 28 June 2019, two suicide bombers detonated themselves at the gate of the tactical command post of the First Brigade Combat Team (1BCT) in Sitio Tanjung, Barangay Kajatian, Sulu.