Completing the new Vortex: Death's Lair event in Modern Warfare 3

0:00 1 challenge
0:15 2 challenge
0:47 3 challenge
1:38 4 challenge
2:04 5 challenge
2:28 6 challenge
2:47 7 challenge
3:13 8 challenge
3:27 9 challenge
3:51 Press "F" Blueprint