Land at the airbase with only one working engine
Destroy 200 enemy targets
Bail out your entire crew
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
Shoot down a V1 Rocket
Defeat all Enemy Aces (in one campaign)
Fully level up a crew member in two skills
Fully level up a crew member
Fly 40 missions
Defeat 4 Enemy Aces (in one campaign)
Have one of your crew survive 30 missions
Fly 25 missions
Destroy 250 enemy fighters
Use 'focus' on all 4 gunner stations at once
Complete a mission and land at the airbase with less than 5% fuel remaining
Destroy 20 enemy targets
Fly 10 missions
Sink 5 Submarines
Complete 7 missions with the same 7 crew surviving
Repair an engine mid-flight
Destroy 50 enemy fighters
Defeat an Enemy Ace
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
