Bosnia and Herzegovina The 15th Infantry Regiment (Portuguese: Regimento de Infantaria N.º 15, RI15) is a unit of the Base Structure of the Army, stationed in Tomar, currently with the operating charge of organizing, training and maintaining the 1st Parachute Battalion (1BIPara) Rapid Reaction Brigade.

The RI15 is one of the oldest military units from Portugal and is the most decorated of the Portuguese Army.

Since its inception, the regiment participated in all the campaigns of the Portuguese Army.

After being installed in several locations, in 1901 the unit moved its headquarters to Tomar.

Pistol Submachine gun Assault/Battle rifle Machine gun Mortar Grenade launcher Anti-tank weapon Air-defence system