My, my, we´ve come a long way since the 1600s haven´t we?

Sir Francis Drake would be proud! Roll out the starboard guns! Rig the stun-sails! Prepare to repel boarders!

Keel-haul that Spaniard, Mr. Christian !

Capt. Bligh

What are the Spaniards gonna do? Build a Great Armada of Zodiacs to attack Gibraltar?

What is the big deal that the Brits own a tiny piece at the tip of the Iberian peninsula? It isn´t like they are disrupting trade in the Med. And there certainly are no oil or mineral deposits on Gibraltar.
The Spaniards can barely run their country now, and they want Gibraltar? meanwhile, they willing give up their country to muslims.

...you know I`m a bad man...when I read a Spanish Warship...I envishioned a taco shell with that funny little dog manning the sail....Cristina...really...even the residents have spoken....give it a rest...
.....even your plane is in hoc.....

Or it may be that, as wretched as Spain currently is, there is thinking that ´Great´ Britain no longer has the military strength and popular will to defend its territories...

Spain is having major financial problems. In Missouri, some are pushing to make several of the interstates toll roads to pay for upkeep. Maybe Spain is looking to grab Gibraltar and create the first toll strait. Lots of traffic into and out of the Med.

(cue music)Nobody expects the Spanish Inquisition! Sorry, but somebody had to say it.

For those not up to speed on the whole Gibralter thing this kind of stuff goes on all the time. The Spanish HATE the fact that Britain controls Gibralter (and therefore the entrance to the Mediteranean).

They have tried to starve them out, blockade them etc etc etc. Over the last 75 years they have resorted to the only real weapon they ever had, make living there so annoying you´ll just leave. The Spanish control most of the water and airspace coming into Gibralter and they will make no concession to the english over that.

Planes landing at Gibralters airport must make a 90 degree turn on the approach because Spain will not allow planes, civilian or otherwise, to approach in a straight line through Spanish airspace.

The Spanish are still angry about Trafalgar, or maybe they still hold a grudge about the Battle of Gravelines, who knows anymore. At this point I think its just a quant little international tradition.

You should be joining together to fight Muslims, not each other. You need a reality check.

I was thinking Trafalgar II, but then I´m not sure if the British Navy even has warships at this point.

With 50% unemployment, Spain is in no position to waste resources on illegal military incursions.

#10, they do. From Wikipedia:

This is a list of active Royal Navy ships, complete and correct as of 29 September 2012.

In total there are 77 commissioned ships in the navy. 18 of the commissioned vessels are major surface combatants (5 guided missile destroyers and 13 frigates) and 10 are nuclear powered submarines (4 ballistic missile submarines and 6 fleet submarines). In addition the Navy possesses an aircraft carrier (in service as a helicopter carrier/amphibious assault ship), a helicopter carrier and 2 landing platform docks. The total displacement of the Royal Navy is approximately 340,000 tonnes (775,000 tonnes including the Royal Fleet Auxiliary and Royal Marines).

The 19 ships of the Royal Fleet Auxiliary are not included in this list or the above figures. There are also over 100 smaller auxiliary vessels provided by Serco Denholm, which took over Marine Services to the Royal Navy from the former Royal Maritime Auxiliary Service in 2008.[1] Training vessels are based at various Royal Navy shore establishments.

Consider that the United Kingdom is minuscule when compared to the vastness of the US. UK land area is close to that of the state of Oregon.