1503rd Infantry Brigade (Ready Reserve)

The 1503rd PAPAMUNLAS-MAPATA Ready Reserve Brigade, 15th Infantry Division (Ready Reserve), ARESCOM, known officially as the PAPAMUNLAS-MAPATA Ready Reserve Brigade, is one of the brigades of the Philippine Army Reserve Command, which is organic to the 15th Infantry Division (Ready Reserve).

Its AOR covers the areas surrounding the cities of Parañaque, Pasay, Muntinlupa, Las Piñas, Makati, Pateros, and Taguig.

Mission

 * Base for expansion of the Regular Force in the event of war, invasion or rebellion within its AOP.
 * Assist the Government in Relief and Rescue Operations in the event of Calamities or Disasters.
 * Assist the Government in Socio-economic development and environmental concerns.
 * Assist in the operation & maintenance of essential government and private utilies (e.g. power, telecommunications, water).

Mobilization Center
The 1503rd Infantry Brigade's mobilization center is the 1303rd Community Defense Center, NCRRCDG, ARESCOM which is based inside at NCRRCDG Compound, Fort Bonifacio, Makati City.

Base units

 * Philippine Army Infantry BC.jpg Headquarters & Headquarters Company

Line units

 * Philippine Army Infantry BC.jpg 301st Infantry Battalion (Ready Reserve)
 * Philippine Army Infantry BC.jpg 302nd Infantry Battalion (Ready Reserve)
 * Philippine Army Infantry BC.jpg 303rd Infantry Battalion (Ready Reserve)