There are 51 Trophies that can be collected.

BRONZE

Rain of Terror
Completed Changing Tides

Monsoon Lagoon
Completed Rip Current

Unexpected Cargo
Completed Unintended Consequences

One Shot, Three Kills
Completed Hat Trick

Hit the Beach
Completed Shore Leave

Know the Enemy
Completed Through the Eyes of Evil

Non-Official Cover
Completed Finding Faraz

Class Dismissed
Completed Connect the Dots

Pedal to the Medal
Completed Hello and Dubai

Closing Ceremony
Completed Old Friends

One Man Mutiny
Completed Bump in the Night

Pit and Pin
Completed Hot Pursuit

Let Him Rot
Completed Shut It Down

Double Header
Killed two enemies with one bullet in the Changing Tides mission

Release the Kraken!
Killed 20 enemies during the boat exfil in Rip Current

Tag, You're It
Caught Faraz within 15 minutes in Finding Faraz

Leftover Lead
Completed the sniping section in Shore Leave without missing a shot

On the Clock
Completed the training in Through the Eyes of Evil in under 18 seconds

Storm Watch
Got through the sandstorm without hitting any vehicles in Hello and Dubai

Vender Bender
Destroyed 90 market stalls in Hot Pursuit

Dirty Laundry
Found the grenades in the laundry room in Bump in the Night

Room Service
Unlocked all door breach options

Master Locksmith
Used each breaching option at least once

Extreme Realism
Recovered from near-death 5 times without dying

Tier 1 Imports
Got 50 kills while holding enemy weapons

Peek-a-Boo
Killed an enemy while using peek and lean in the Campaign

Lean With It
Killed 25 enemies while using peek and lean during the Campaign

It's Dangerous to go Alone!
Requested ammo from an Ally in the Campaign

Lead Farmer
Requested ammo from an Ally 25 times in Campaign

Tactical Toggler
Killed 25 enemies while using Combat Toggle

The Axeman
Killed 25 enemies with melee during the Campaign

There IS an I in Fire Team
Finished a round as part of the top Fire Team

Brothers in Arms
Won a round with a friend as a Fire Team Buddy

Honey Badger
Used your Fire Team buddy to re-arm or heal

Squad Leader
Unlocked a soldier of each class

Downrange
Played online for 15 minutes

Job done
Complete 3 Combat Mission objectives

SILVER

Warfighter
Completed the campaign

Tier 1
Completed the campaign on Tier 1 difficulty

Preacher's Path
Finished all the Preacher Missions

Stump's No Chump
Finished all the Stump Missions

Unstoppable
Completed a combat mission on Hardest difficulty setting without dying

MVP
MVP in a ranked match

All In
Called in Apache support

Warchief
Unlocked all soldiers in multiplayer

Jack of all Guns
Earn the Marksman Badge for all Weapons

Global Warfighters
Unlocked a soldier from each unit

GOLD

Hardcore
Completed the campaign on Hardcore difficulty

Back in the Fight
Completed one tour with all classes.

PLATINUM

For Honor For Country
Collected all other Medal of Honor™ Warfighter Trophies

1 SECRET

BRONZE

Target Practice
Shot down the targets in the training camp caves in Connect the Dots

http://www.ps3trophies.org/game/medal-of-honor-warfighter/trophies/