This video covers all the BlackBoxes and Field Ops in the Yellow Zone.

http://www.youtube.com/watch?v=b1X8QTaWDwA

Rocket Man #1 – Player has achieved 10 Kills with the Rocket Launcher.
Rocket Man #2 – Player has achieved 100 Kills with the Rocket Launcher.
Rocket Man #3 – Player has achieved 1,000 Kills with the Rocket Launcher.
Sniper #1 – Player has achieved 10 Kills with the Nex.
Sniper #2 – Player has achieved 100 Kills with the Nex.
Sniper #3 – Player has achieved 1,000 Kills with the Nex.
Spray n’ Prey #1 – Player has achieved 10 Kills with the Ravager.
Spray n’ Prey #2 – Player has achieved 100 Kills with the Ravager.
Spray n’ Prey #3 – Player has achieved 1,000 Kills with the Ravager.
Pump Action #1 – Player has achieved 10 Kills with the Shotgun.
Pump Action #2 – Player has achieved 100 Kills with the Shotgun.
Pump Action #3 – Player has achieved 1,000 Kills with the Shotgun.
Red Mist #1 – Player has achieved 10 Kills with the Clancutter.
Red Mist #2 – Player has achieved 100 Kills with the Clancutter.
Red Mist #3 – Player has achieved 1,000 Kills with the Clancutter.
Rapid Combustion #1 – Player has achieved 10 Kills with the Hagar.
Rapid Combustion #2 – Player has achieved 100 Kills with the Hagar.
Rapid Combustion #3 – Player has achieved 1,000 Kills with the Hagar.
Electric Blue #1 – Player has achieved 10 Kills with the Electro.
Electric Blue #2 – Player has achieved 100 Kills with the Electro.
Electric Blue #3 – Player has achieved 1,000 Kills with the Electro.
Rebounder #1 – Player has achieved 10 Kills with the Crylink.
Rebounder #2 – Player has achieved 100 Kills with the Crylink.
Rebounder #3 – Player has achieved 1,000 Kills with the Crylink.
Incoming! #1 – Player has achieved 10 Kills with the mortar.
Incoming! #2 – Player has achieved 100 Kills with the mortar.
Incoming! #3 – Player has achieved 1,000 Kills with the mortar.
Macho Man – Player has achieved 50 Kills using melee.
He-Man – Player has achieved 50 Kills while using strength.
In Your Face – Player has achieved 100 Headshots.
Termination – 5 to 1 KDR in one match
SECRET – SECRET
Serial Killer – Player has achieved a Killing Spree.
10-in-a-row – Player has achieved 10 kills in a row.
15-in-a-row – Player has achieved 15 kills in a row.
20-in-a-row – Player has achieved 20 kills in a row.
25-in-a-row – Player has achieved 25 kills in a row.
Genocidal – Player has killed 100,000 total enemies.
Gladiator – Player has killed 50,000 total enemies.
Predator – Player has killed 10,000 total enemies.
Killer – Player has killed 1,000 total enemies.
Hunter – Player has killed 100 enemies.
Good Luck Charm – Player has achieved 100 assists.
Sidekick – Player has achieved 1,000 total assists.
Backup – Player has achieved 10,000 total assists.
Failsafe – Player has achieved 50,000 total assists.
Right Place, Right Time – Player has achieved 100,000 total assists.
Suicidal – Player has fallen to their death 100 times.
Wirework – Player has survived an entire match without a death.
Butterfingers – Player has self destructed 100 times.
Worm Food – Player has accumulated 1,000 deaths.
Packrat – Collected 1,000 armor shards.
Fully Loaded – All weapons collected and all ammo full in a single match.
Pumped-Up – Player has collected Strength 100 times.
Transmutant – Player has collected 100 Mutator pickups.
Rule changer – Player has used dynamic mutators 100 times.
Power Junkie – Player has used self mutators 10 times.
Performance Enhancer – Player has used team mutators 10 times.
Change the World – Player has used everyone mutators 10 times.
Local Hero – Player ranks first on the boards in any ranked match.
Jackpot – Player has scored 5000 bonus points in a single match.
Point Shark – Player has gotten the widest variance of point bonuses at the end of a game.
Flagmaster – Player has taken and held a flag for more than 1 minute.
Single Minded – Player has taken the flag and scored without dropping the flag.
Flawless Victory – No points have been scored against the players team in a single match.
Two to One – Player has scored twice as many points as the opposing team.
Capture Pro – Player has captured 10 flags
Flag Catcher – Player has captured 100 flags.
Flag Snatcher – Player has captured 1,000 flags.
Flag Burner – Player has captured 50,000 flags.
Revolutionary – Player has captured 100,000 flags.
CTF Master – Player has 1,000 total combined Flag Captures, Takes, Assists and Returns.
Twice as many – Players team scored two times as many points as the other team.
Last second kill – Player scored in the last 5 seconds.
Untouchable – No points have been scored against the players team.
Honored – Player has earned 10 medals.
Notable – Player has earned 50 medals.
Decorated – Player has earned 100 medals.
Dabbler – Player has earned 10 unique medals.
Collector – Player has earned 25 unique medals.
Archivist – Player has earned 50 unique medals.
Olympian – Player has earned all unique medals.
Camping King – Player has been stationary for more than 1 minute.
Top Rank – Player has reached the highest rank available.
Amateur – Player has achieved 1 hour total time played.
Rookie – Player has achieved 10 hours total time played.
Pro – Player has achieved 100 hours total time played.
Veteran – Player has achieved 1,000 hours total time played.
Back-to-Back – Player has achieved 10 consecutive hours played