<P> The Spanish Infantería de Marina was formed in 1537 , making it the oldest , current marine force in the world . The British Royal Marines combine being both a ship - based force and also being specially trained in commando - style operations and tactics , operating in some cases separately from the rest of the Royal Navy . The Royal Marines also have their own special forces unit . </P>
<P> The Spanish Infantería de Marina was formed in 1537 , making it the oldest , current marine force in the world . The British Royal Marines combine being both a ship - based force and also being specially trained in commando - style operations and tactics , operating in some cases separately from the rest of the Royal Navy . The Royal Marines also have their own special forces unit . </P>
who has the oldest navy in the world
who has the oldest navy in the world
The Spanish
The Spanish