Complete the first Horde Mode Mission - DOOM Eternal
Destroy all helicopters in the "Vertigo" Special Ops mission. - Call of Duty: Modern Warfare 3
Complete the "Vertigo" Special Ops mission on Veteran difficulty. - Call of Duty: Modern Warfare 3
1,573/3,975870/1,54528/50
3,591/3,5911,610/1,61076/76
6,203/25,5182,645/7,000328/700