legalized piracy or "Privateering"
http://bbprivateer.ca/?q=book/export/html/11
http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Privateer.html
http://www.crwflags.com/fotw/flags/gb-priv.html
http://www.elizabethan-era.org.uk/famous-elizabethan-pirates.htm
http://journeytohistory.com/history101/English%20Sea%20Dogs.html
Sir Francis Drake: http://www.bbc.co.uk/history/historic_figures/drake_francis.shtml
http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Privateer.html
http://www.crwflags.com/fotw/flags/gb-priv.html
http://www.elizabethan-era.org.uk/famous-elizabethan-pirates.htm
http://journeytohistory.com/history101/English%20Sea%20Dogs.html
Sir Francis Drake: http://www.bbc.co.uk/history/historic_figures/drake_francis.shtml