Spain (NATO/EU member)
Spanish Weapons:
[ger] H&K USP - 9 mm pistol (reglamentary weapon).
[ger] H&K G36E - 5.56mm assault rifle (standard service rifle).
[ger] H&K AG36 - under-barrel 40 mm grenade launcher.
[ger] H&K MG4E - 5.56 mm light machine gun.
[ger] Rheinmetall MG 3 - 7.62 mm general purpose machine gun.
[uk] Accuracy International AW50 - 7.62 mm sniper rifle (Known in the U.K. with the L96A1 designation).
[usa] Barrett M95 - .50 (12.7×99mm) bolt-action sniper rifle.
[usa] M2HB - 12.7 mm heavy machine gun.
[sp] SB-40 LAG - 40 mm automatic grenade launcher.
[sp] Instalaza C-100 Alcotán - 100 mm disposable anti-tank rocket launcher.
[ger] Leopard 2A4 Main Battle Tank (Being upgraded to the A6 standard).
[ger&sp]Leopard 2E5 (A6) 'Leopardo' Main Battle Tank (It's a derivative of the 2A6, with greater armour protection).
[it] B1 Centauro 105 mm wheeled tank-destroyer.
[sp&a] ASCOD 'Pizarro' Infantry Fighting Vehicle (Designated 'Ulan' in the Austrian Army).
[sp] Pegaso VEC M1 6x6 Cavalry Reconnaissance Vehicle.
[sp] Pegaso BMR M1 6x6 wheeled Armoured Personnel Carrier (There is a Sapper Combat Vehicle (VCZ) version, too).
[usa] M113A1/A2 Armored Personnel Carrier 'TOA' (There are Infantry, Anti-tank (TOW/MILAN) and Sapper Combat Vehicle (VCZ) designs).
[sp] URO VAMTAC HMMWV vehicle (An Spanish-made version of the Humvee. They look the same).
[sp] Santana Aníbal 4WD all terrain utilitary vehicle (Built on the basis of the Land Rover 109).
[it] IVECO 'Lince' 4WD Light Multirole Tactical Vehicle.
[sa] RG-31 Mk5E 'Nyala' Mine Resistant Ambush Protected (MRAP) 4WD tactical vehicle.
Spanish Artillery Assets:
[uk] L118A1 Light Gun 105 mm towed howitzer.
[usa] M109A5 155 mm self-propelled howitzer.
[sp] ECIA L65/60 - 60 mm light mortar.
[sp] ECIA L65/81 - 81 mm medium mortar.
[sp] ECIA L65/120 - 120 mm heavy mortar.
Spanish Air Assets:
[ger,sp,it&uk] Eurofighter 'Typhoon' (It can be found in the Air Forces of U.K., Germany, Italy, Spain, Austria and Saudi Arabia).
[usa] Mc Donnell Douglas F-18 'Hornet' (Spanish Air Forces use)
[usa] AV-8B Harrier II (Found in the Navy of the U.S., Italy and Spain).
[eu] Eurocopter 'Tigre' - attack helicopter (Found in the French, German, Spanish and Australian Army).
Of course, the heavier Spanish weapons to model in BF:SF would depend on the units deployed in the Turkish border.