Drones:
MQ50 MG Wolverine: 200 kills
MQ60 AT Rhino: 200 kills
AQ-11 Buzzard: 200 kills
RQ-10 Parrot: 200 marks
Special Weapons:
RPG Launcher: 200 kills
Proximity Launcher: 200 kills
Air Strikes:
Hellfire: 200 kills
Cluster Bomb: 200 kills
White Phosphorus: 200 kills
Vehicles:
Humvee: 200 kills
Light Armored Vehicle: 200 kills
Heavy Tank: 200 kills
Scout Heli: 200 kills
Attack Heli: 200 kills
Game Modes:
Ground Control: 100 win
Team Deathmatch: 100 win
Battle Commander: 100 win
Camos:
M4: 10 Killstreak
M16: 10 Killstreak
T3AK: 10 Killstreak
ACR: 10 Killstreak
SCAR-L: 10 KillStreak
XM10: 10 Killstreak
M110: 10 Killstreak
M200: 10 Killstreak
M249: 10 Killstreak
SCAR-H: 10 Killstreal
PWS Diablo: 10 Killstreak
Super V: 10 Killstreak
This is the hardest and longest trophy in the game. I should be done sometime in the year 2012.
My tips: Use Silencer. Use grenades\C4\Knifes as much as you can. Use Rhino drone whenever you see a vehicle.