Coat of arms of the 31st Mechanized Infantry Regiment "Asturias", RIMZ-31 (Spanish Army). Standardized ornaments.
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Standardized variants rules from: GARCÍA-MECHANO Y OSSET, E. Introducción a la heráldica y manual de heráldica militar española. Madrid: Ministerio de Defensa, 2010. ISBN: 978-84-9781-559-8
Ornamented variant image  [4]
Decorations according to: Grávalos, Luis; Calvo, José Luis (1988) Condecoraciones Militares Españolas. Madrid: Editorial San Martin. ISBN 84-7140-266-1
Heralder