Ace in the Hole
Not unlocked yetDefeat an Enemy Ace
Four of a kind
Not unlocked yetDefeat 4 Enemy Aces (in one campaign)
Ace of Aces
Not unlocked yetDefeat all Enemy Aces (in one campaign)
Ace Encounter
Not unlocked yetEncounter an Enemy Ace
Bomber Crew
Not unlocked yetComplete the first mission
Target Destroyed
Not unlocked yetDestroy an enemy target
Double Qualified
Not unlocked yetFully level up a crew member in two skills
Experienced
Not unlocked yetFly 25 missions
Fifty Fighters Five Times
Not unlocked yetDestroy 250 enemy fighters
Fifty Fighters
Not unlocked yetDestroy 50 enemy fighters
The Bunker
Not unlocked yetComplete the final mission
Running On Fumes
Not unlocked yetComplete a mission and land at the airbase with less than 5% fuel remaining
One Engine
Not unlocked yetLand at the airbase with only one working engine
Skeleton Crew
Not unlocked yetComplete a mission and land at the airbase with 2 or fewer crew members surviving
Focused Four
Not unlocked yetUse 'focus' on all 4 gunner stations at once (Main Campaign)
Bail Out!
Not unlocked yetBail out your entire crew
Grand Slam
Not unlocked yetDestroy a target using the Grand Slam bomb
Mission Success
Not unlocked yetReturn to the airbase having successfully completed a mission
Qualified
Not unlocked yetFully level up a crew member
Rookie
Not unlocked yetFly 10 missions
Seven Survive Success
Not unlocked yetComplete a successful mission with the full crew surviving
Seven Survive Seven
Not unlocked yetComplete 7 missions with the same full crew surviving
Sinking Feeling
Not unlocked yetSink 5 Submarines
Photographer
Not unlocked yetTake a photo of an intel site