The Spanish Naval Infantry (Spanish: Infantería de Marina) is the naval infantry unit of the Spanish Navy (Armada Española) responsible for conducting amphibious warfare by utilizing naval platforms and resources. The Marine Corps is fully integrated into the Armada's structure. The Corps was formed in 1537 by Charles I of Spain (also known as Charles V, Holy Roman Emperor), making it the oldest marine corps in existence in the world, drawing from the Compañías Viejas del Mar de Nápoles. Mission The Spanish Marine Infantry is an elite corps, highly specialised in amphibious warfare, that is, to project an amphibious force onto a hostile, or potentially hostile, coast. Its ability to embark on a short term notice with (land, air and naval) Navy assets, makes it a unit with a high strategic value. Adding to this a high degree of training, and the capability to deploy swiftly in international waters, results in a potent dissuasive force available at a short notice...