The 1051st (QUEZON) Technical & Administrative Services Unit, 105th Technical & Administrative Services Group,[1][2] known officially as First Force Support Unit, is one of two TAS Forward Operating Base Units of the 105th Technical and Administrative Services Group (Reserve) of the AFP Reserve Command, and is based in Quezon City.

The unit provides combat support and service support services to the 1502nd Infantry Brigade (Ready Reserve) of the Army Reserve Command.

The unit is a technical service unit, which means it provides various medical, engineering, legal and religious services in support of the various maneuver units of AFP Reserve Force within the area of Quezon City particularly units of the 1502nd Infantry Brigade (Ready Reserve), 15ID(RR), ARESCOM and the 11th Air Force Group (Ready Reserve), 1AFW(R), AFRESCOM.

Most of the officers of the 1051TASU,105TASG, AFPRESCOM are directly commissioned through AFP Circular Nr.

4 and 6 and may come from any of the following professions, :[1] The following are the units that are presently placed under operational control of the 1051st QC Technical & Administrative Services Unit.