1) Falcon - Commanding officer, also as a Green Beret, he's pretty versatile, and he's my favorite character.
2) Beachhead - NCO in Charge
3) Lowlight - Sniper
4) Tunnel Rat - Demolitions
5) Rock & Roll - Machine Gunner
6) Torpedo - SEAL - aquatic operations
7) Salvo - Anti-Tank Specialist
8) Big Ben - SAS - seen lots of stuff on these guys, really tough, Delta Force is based on them
9) Shockwave - Urban operations
10) Recondo - Jungle Warfare