And then there is the UK, with a much stronger military. However they are very stretched at the moment. And most are 1000's of miles away from the Falklands:
PERSONNEL
Total Population: 62,698,362 [2011]
Available Manpower: 29,164,233 [2011]
Fit for Service: 24,035,131 [2011]
Of Military Age: 749,480 [2011]
Active Military: 224,500 [2011]
Active Reserve: 187,130 [2011]
LAND ARMY
Total Land Weapons: 11,630
Tanks: 420 [2011]
APCs / IFVs: 4,347 [2011]
Towed Artillery: 138 [2011]
SPGs: 120 [2011]
MLRSs: 42 [2011]
Mortars: 2,563 [2011]
AT Weapons: 4,000 [2011]
AA Weapons: 653 [2011]
Logistical Vehicles: 16,011
AIR POWER
Total Aircraft: 1,663 [2011]
Helicopters: 606 [2011]
Serviceable Airports: 505 [2011]
NAVAL POWER
Total Navy Ships: 99
Merchant Marine Strength: 527 [2011]
Major Ports & Terminals: 10
Aircraft Carriers: 1 [2011]
out of date, should say 0
Destroyers: 6 [2011]
Submarines: 11 [2011]
Frigates: 13 [2011]
Patrol Craft: 23 [2011]
Mine Warfare Craft: 15 [2011]
Amphibious Assault Craft: 10 [2011]
http://www.globalfirepower.com/count...United-Kingdom