File:Origins of the UOE.jpg

Summary
From the Spanish Navy's official webpage (http://www.armada.mde.es). Permission to use.

Image source: http://www.armada.mde.es/ArmadaPortal/appmanager/ArmadaPortal/ArmadaPortal?_nfpb=true&_windowLabel=ap_portlet_infanteriaInfanteriaIndiceHTML_indiceContenido&ap_portlet_infanteriaInfanteriaIndiceHTML_indiceContenido_actionOverride=%2Fportlets%2Fcontenidogeneral%2Findice%2FmostrarContenido&ap_portlet_infanteriaInfanteriaIndiceHTML_indiceContenidoidContenido=278012&ap_portlet_infanteriaInfanteriaIndiceHTML_indiceContenidorepositoryName=BEA+Repository#

Copyright information:

http://www.armada.mde.es/ArmadaPortal/appmanager/ArmadaPortal/ArmadaPortal?_nfpb=true&_pageLabel=ap_page_aviso_legal#009