Destroy an air vehicle with a rocket launcher while parachuting

Finish the "Only Way to be Sure" Campaign.

Collect one attachment of every type on a single character.

Collect 25 attachments on a single character.

Finish the "Gift of Fire" Campaign.

Equip three attachments on a single weapon.

Be the Most Valuable Player of a round.

Equip a colorway and decal onto a gun.

Do a successful Challenge run.

Killed 50 enemies while in Vehicles

Kill an enemy while they are reloading.

Kill an enemy without using weapon sights.