Rob thank you for your comments , it is great to share my country history
Cap Duff , yes the Red Cross was in use in land in the napoleonic wars and South America independence wars . Today we have still this flag for some military units .
Diamond yes it is hard to find English language books about it . I think I know the book you are talking but Spanish version
Aaron thank you a lot for the animated flag

If you need further info about Spaniard ships please let me know