Airborne Cannons Codex

Product: Battlefield 1
Platform:Microsoft XBOX One
Summarize your bug The codex won't unlock for me, I have definitely been killing 10 aircraft in 30 seconds, but it wont unlock for me
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? Play the mission on an xbox
What happens when the bug occurs? The mission progresses without giving me the codex
Please select your region Europe
In what game mode did the bug occur? Single Player Campaign
In what Single Player War Story did the bug occur? Friends in High Places
AMD or Nvidia Model Number
Enter RAM memory size in GB

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Sure its difficult, but as it is right now, it wont unlock for me, making it impossible

https://account.xbox.com/en-US/gameclip/eab0a2c2-2b45-40bf-8847-3daf9626ff86?gamertag=Gibbo263&scid=00000000-0000-0000-0000-000000000000

Theres a recording, purple is the colour i use for critical kills, I count 11