Generic Skills (Anyone can get basic and advanced training in these)
Leadership,
Atheletics, Agility, Small Arms
Combat Focused Skills (Only the combat class can get advanced training in these)
Assault Rifles, Weaponry, Armor
Combat Specific Skills (Only the combat class can get training in these)
Machine Guns, Grenade Launchers, Rocket Launchers, Explosives
Recon Focused Skills (Only the recon class can get advanced training in these)
Submachine Guns, Close Combat, Marksmanship
Recon Specific Skills (Only the recon class can get any training in these)
Sniper Rifles, Stealth
Engineering Focused Skills (Only the engineering class can get advanced training in these)
Shotguns, First Aid
Engineering Skills (Only the engineering class can get training in these)
Security, Construction, Medicine