Destroy 200 enemy targets
Complete a mission and land at the airbase with 2 or fewer crew members surviving
Complete the final mission
Destroy a target using the Grand Slam bomb
Defeat all Enemy Aces (in one campaign)
Land at the airbase with only one working engine
Fully level up a crew member
Fully level up a crew member in two skills
Bail out your entire crew
Fly 40 missions
Have one of your crew survive 30 missions
Defeat 4 Enemy Aces (in one campaign)
Shoot down a V1 Rocket
Complete a mission and land at the airbase with less than 5% fuel remaining
Destroy 250 enemy fighters
Fly 25 missions
Use 'focus' on all 4 gunner stations at once
Defeat an Enemy Ace
Complete 7 missions with the same 7 crew surviving
Destroy 20 enemy targets
Sink 5 Submarines
Repair an engine mid-flight
Destroy 50 enemy fighters
Fly 10 missions
Encounter an Enemy Ace
Complete a successful mission with all 7 crew surviving
Return to the airbase having successfully completed a mission
Take a photo of an intel site
Destroy an enemy target
Complete the first mission
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