At least 20 minutes unit usage plus used this unit type the most in the mission
Unlocked: 01 Oct 2010 12:14:56
Silver Star
30Kill 10 enemy planes and 5 enemy ships
Unlocked: 01 Oct 2010 11:37:41
Medal of Honor
150Must reach the time and hit limits of the Service and the Marksmanship medals
Unlocked: 01 Oct 2010 11:37:41
Team Kill/Death ratio must be at least 5:1
Unlocked: 01 Oct 2010 11:37:40
Kill 50 enemy planes and 10 enemy ships
Unlocked: 01 Oct 2010 11:37:39
Bronze Star
20Team Kill/Death ratio must be at least 3:1
Unlocked: 01 Oct 2010 11:37:38
Achieve 200 Artillery hits as well as most Artillery hits in mission
Unlocked: 01 Oct 2010 11:37:37
Purple Heart
10Worst Kill/Death ratio amongst the Players
Unlocked: 21 Sep 2010 03:14:12
Air Medal
50Kill 20 enemy planes and reach at least 5 min plane usage
Unlocked: 21 Sep 2010 02:31:01
At least 25 minutes unit usage plus used this unit type the most in the mission
Unlocked: 20 Sep 2010 16:19:02
Complete all Single Player missions
Unlocked: 20 Sep 2010 16:19:01
Achieve 100 AA hits as well as most AA hits in mission
Unlocked: 17 Sep 2010 15:26:13
Complete all Ship Challenge missions
Unlocked: 17 Sep 2010 15:26:11
Complete all Naval Academy missions
Unlocked: Offline
Complete all Submarine Challenge missions
Unlocked: Offline
At least 15 minutes unit usage plus used this unit type the most in the mission
Unlocked: Offline
Achieve 15 torpedo hits as well as most torpedo hits in mission
Unlocked: Offline
Navy Cross
40Kill 10 enemy ships and reach at least 5 min ship usage
Unlocked: Offline
Kill 5 enemy ships and reach at least 5 min ship usage
Unlocked: Offline
Complete all Single Player missions on Veteran difficulty level
Complete all Plane Challenge missions
Kill 40 enemy planes and reach at least 5 min plane usage