Call of Duty: Modern Warfare  – Killstreaks
Kills Required Killstreak Description Icon
3 Radar

Deploys a UAV to scan the map and reveal
enemy locations
5 Airstrike

This modifier allows the player to call in a cluster bomb strike on the target
of their choice.
Airstike
7 Helicopter

This modifier allows the player to call for helicopter support. The helicopter
circles the map, firing at opposing team members whenever they come into view.