Couldn't find the actually Thread Hub for all things MAG but I found this to be relevant just the same:
Bronze
Angel of Mercy – 25 enemies killed in their in incapacitated state over a career
Boom Town – Earn the Mortar Demolition, Total Blackout and AAA Demolition Ribbons
Close Call — Earn three Bomb Squad Ribbons
Clown Car – Awarded when a player destroys an APC or a Bunker, killing two players
Commandon’t – Awarded when a player kills 50 of a certain specialty: Commando
Coughing Killer – Killed an enemy while affect by poison gas grenades
Dropping Like Flies – Destroy five enemy helicopters
Duteous Maximus – Be on the winning faction for 10 Directive matches
Efficiency Engineer – Earn three Bunker Buster Ribbons
I Drink Your Milkshake – Awarded when a player kills 50 of a certain specialty: Field Support
I Got 5 On It – Kill 5 enemies with a single Strategic Strike, excluding Poison Gas Barrage
In Your Face – Earn five Combat Melee Ribbons
Jack of One Trade – Awarded when a player reaches the bottom tier of a skill tree
Junkyard Jockey – Earn three Mr. Badwrench Ribbons
Lil Buddy – Earn two Purple Sidekick Ribbons
Mia Culpa – Kill 50 enemies in a turret over a career
Out of Scope – Awarded when a player kills 50 of a certain specialty: Sniper
Screeching Halt – Awarded when a player kills 50 of a certain specialty: Rapid Assault
Target Practice – Awarded when a player shoots down 25 paratroopers over a career
The Harder They Fall – Awarded when a player kills 50 of a certain specialty: Direct Action
Silver
A Whole Lotta Hurt – Earn five Combat Machine Gun Ribbons and five Combat Fragger Ribbons
Baby Need a Bandage? – Earn 5 Silver Cross Ribbons and 5 Golden Cross Ribbons
Chest Candy – Awarded when a player has earned one of every ribbon
Devil Dog – Earn 5 Combat Assault Ribbons and 5 Combat Sidearm Ribbons
Double Trouble – Earn the Golden Cross Medal and the Grim Reaper Medal
Hammer of the Gods – Called in 50 cluster bombs or mortar barrages
Headhunter – Earn 5 Silver Bullet Ribbons, the Longshot Ribbon and the Sniper Master Specialist Medal
Precious Cargo – Destroy 20 Escort Vehicles over a career
Silent But Deadly – Awarded when a player kills 25 enemies with Poison Gas over a career
Steamroller – Have a 3-to-1 Kill-to-Death Ratio in any match
Take Me to Your Leader – Earn 1 win as a squad leader
The Streaker – Earn the Streaker Medal
Triple Threat – Earn 5 Silver Cross Ribbons, 5 Master Engineer Ribbons and the Grim Reaper Medal
Gold
Commandant in Chief – Awarded when a player reaches level 60 with a Raven character
Eager Beaver – Awarded when a player has earned one of each medal
Prima Noyan – Awarded when a player reaches level 60 with a S.V.E.R. character
Sergeant Major – Awarded when a player reaches level 60 with a Valor character
Platinum
Massive Action Gamer – Won All Trophies
Angel of Mercy – 25 enemies killed in their in incapacitated state over a career
Boom Town – Earn the Mortar Demolition, Total Blackout and AAA Demolition Ribbons
Close Call — Earn three Bomb Squad Ribbons
Clown Car – Awarded when a player destroys an APC or a Bunker, killing two players
Commandon’t – Awarded when a player kills 50 of a certain specialty: Commando
Coughing Killer – Killed an enemy while affect by poison gas grenades
Dropping Like Flies – Destroy five enemy helicopters
Duteous Maximus – Be on the winning faction for 10 Directive matches
Efficiency Engineer – Earn three Bunker Buster Ribbons
I Drink Your Milkshake – Awarded when a player kills 50 of a certain specialty: Field Support
I Got 5 On It – Kill 5 enemies with a single Strategic Strike, excluding Poison Gas Barrage
In Your Face – Earn five Combat Melee Ribbons
Jack of One Trade – Awarded when a player reaches the bottom tier of a skill tree
Junkyard Jockey – Earn three Mr. Badwrench Ribbons
Lil Buddy – Earn two Purple Sidekick Ribbons
Mia Culpa – Kill 50 enemies in a turret over a career
Out of Scope – Awarded when a player kills 50 of a certain specialty: Sniper
Screeching Halt – Awarded when a player kills 50 of a certain specialty: Rapid Assault
Target Practice – Awarded when a player shoots down 25 paratroopers over a career
The Harder They Fall – Awarded when a player kills 50 of a certain specialty: Direct Action
Silver
A Whole Lotta Hurt – Earn five Combat Machine Gun Ribbons and five Combat Fragger Ribbons
Baby Need a Bandage? – Earn 5 Silver Cross Ribbons and 5 Golden Cross Ribbons
Chest Candy – Awarded when a player has earned one of every ribbon
Devil Dog – Earn 5 Combat Assault Ribbons and 5 Combat Sidearm Ribbons
Double Trouble – Earn the Golden Cross Medal and the Grim Reaper Medal
Hammer of the Gods – Called in 50 cluster bombs or mortar barrages
Headhunter – Earn 5 Silver Bullet Ribbons, the Longshot Ribbon and the Sniper Master Specialist Medal
Precious Cargo – Destroy 20 Escort Vehicles over a career
Silent But Deadly – Awarded when a player kills 25 enemies with Poison Gas over a career
Steamroller – Have a 3-to-1 Kill-to-Death Ratio in any match
Take Me to Your Leader – Earn 1 win as a squad leader
The Streaker – Earn the Streaker Medal
Triple Threat – Earn 5 Silver Cross Ribbons, 5 Master Engineer Ribbons and the Grim Reaper Medal
Gold
Commandant in Chief – Awarded when a player reaches level 60 with a Raven character
Eager Beaver – Awarded when a player has earned one of each medal
Prima Noyan – Awarded when a player reaches level 60 with a S.V.E.R. character
Sergeant Major – Awarded when a player reaches level 60 with a Valor character
Platinum
Massive Action Gamer – Won All Trophies
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