21st Brigada de Infantería Mecanizada
III/10 Mechanized Infantry Battalion Almansa
IV/10 Armor Battalion Málaga
21st Brigada de Infantería Mecanizada
21st Logistical Group
21st Field Artillery Group
21st Brigada de Infantería Mecanizada
Hq 21st Mechanized Infantry Brigade
21st Ingenieros Company
I/2 Mechanized Infantry Battalion Princesa
II/2 Mechanized Infantry Battalion Lepanto
Advanced
Assault