Complete the following tasks to unlock the corresponding achievement.

Achievement	How to unlock
Air Medal	Awarded after 20 successful air missions.
Antarctica Service Medal	Complete all SA missions with at least four stars on each mission.
Bronze Star	Awarded when completing Quick Game on Captain level.
Combat Action Ribbon	Awarded after destroying 15 any enemy vessels/aircraft.
Defense Distinguished Service Medal	Complete the entire Campaign with at least four stars on every mission.
Defense Meritorious Service Medal	Awarded when lasting longer than 30 minutes in any Survival game.
Defense Superior Service Medal	Awarded when a Cruiser, Battleship and Aircraft Carrier are sunk in any game.
Distinguished Flying Cross	Awarded after 50 successful air missions completed.
Distinguished Service Medal	Awarded when surviving longer than 20 min on Survival Admiral level.
GWOT Service Medal	Complete all SC missions with at least four stars on each mission.
Good Conduct Medal	Awarded on achieving five stars in every mission of any ocean, except NA.
Joint Service Achievement Medal	Awarded after 10 successful AMP missions.
Joint Service Commendation Medal	Awarded after using the Harrier in 20 missions of any type.
Legion Of Merit	Awarded when four enemy battleships have been sunk.
Medal Of Honor	Awarded when surviving longer than 30 min on Survival Admiral level.
Meritorious Service Medal	Awarded when lasting longer than 20 minutes in any Survival game.
Meritorious Unit Commendation	Awarded if more than three successful RES missions in any game.
NATO Medal	Complete all MED missions with at least four stars on each mission.
National Defense Service Medal	Complete all SP missions with at least four stars on each mission.
Navy And Marine Corps Commendation Medal	Awarded after using the Osprey in 20 missions of any type.
Navy Arctic Service Ribbon	Complete all ARC missions with at least four stars on each mission.
Navy Cross	Complete the entire campaign with five stars on every mission.
Navy E Ribbon	Complete NA all missions with five stars.
Navy Expeditionary Medal	Complete all NP missions with at least four stars on each mission.
Navy Fleet Marine Force Ribbon	Awarded after unloading 30 cargo pallets.
Navy Recruit Training Service Medal	Complete NA01 mission with five stars.
Navy Unit Commendation	Awarded when destroying more than 8 Submarines in any one game.
Navy and Marine Corps Achievement Medal	Awarded after 15 successful SPE missions.
Navy/Marine Corps Medal	Awarded when completing Quick Game on Admiral level.
Presidential Unit Citation	Awarded when destroying more than 8 Ground targets in any one game.
Purple Heart	Awarded on first sinking of your own Carrier.
Sea Service Deployment Ribbon	Complete all IND missions with at least four stars on each mission.
Silver Star	Awarded when two enemy aircraft carriers are destroyed.