The Vietnam Add-on for Battlefield: Bad Company 2 has 10 trophies - 9 bronze and 1 silver.
Win a round of either Rush or Conquest on all four Vietnam levels
Get silver stars on all primary Vietnam weapons
Get gold stars on all primary Vietnam weapons
Get a kill with all Vietnam vehicles
Get 100 kills with Vietnam tanks
Get 50 kills with the Huey
Destroy a Hannoi Hannah propaganda speaker
Get 20 kills with the flamethrower
Finish first on the scoreboard on any Vietnam level
Achieve the best squad award on Operation Hastings