Rocket Kill
From Halopedia, the Halo wiki
Rocket Kill is a medal awarded in Halo 4 multiplayer and Spartan Ops for killing an enemy with the Rocket Launcher. The player will also be awarded the medal if an AI passenger in a vehicle they are driving kills an enemy with a rocket launcher. It is represented by three white rockets in flight on a blue circle atop a grey four-pointed star.
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