U.S. Marine Cpl. Travis Bos, squad leader, Fox Company, 2nd Battalion, 3rd Marine Regiment, checks his compass during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 19, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.
Cpl. Demetrius Munnerlyn
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