Complex sentence: The Batalhão de Apoio Aeroterrestre (Aeroterrestrial Support Battalion), based at the ETP-Escola de Tropas Páraquedistas (Parachute Troops School), in Tancos is a special operational unit of the Rapid Reaction Brigade of the Portuguese Army.
Split into simpler sentences: The Batalhão de Apoio Aeroterrestre (Aeroterrestrial Support Battalion), based at the ETP-Escola de Tropas Páraquedistas (Parachute Troops School), in Tancos. It is a special and operational unit of the Rapid Reaction Brigade of the Portuguese Army.