Undersea Warfare/Somali Payback is the fifteenth soundtrack in the Call of Duty: Modern Warfare 3 Official Soundtrack with a runtime of 06:57.

It is played in Hunter Killer and Over Reactor whilst inside the sub. From 03:57 it is played in Return To Sender whilst assaulting Waraabe's compound. It is also used for the Main Menu and in multiplayer for the PMC victory theme.