Leopard 2E: A derivative associated with version A5a developed under an application of comanufacture between the industries of Spain and Germany. This system is developed inside the frame of collaboration decided in 1995 between your Ministries of Defense of both countries, in which additionally the cession of use by a period of five years of 108 Leopard 2A4 from the German Army towards the Spanish had been. On 23 December 1998 the Spanish Cabinet authorized the comanufacture contract, designating Santa bara Blindados (SBB - Armored business Santa Barbara) while the main contractor. The Leopard 2E/EX and its own elements will likely be made completely in Spain, with German technological help.