Once the countdown expires, the entire battlefield will be engulfed in white light as the nuke explodes. Once used, a ten second countdown will display on all player's screens as the nuclear warhead, although invisible, falls to the ground, and a siren will sound. Requiring 25 consecutive kills (or 24 with the Hardline Perk), this killstreak is the hardest to acquire in Call of Duty: Modern Warfare 2. Nuke ' End the game with a bang.' - In-game description
