Lava Viper 2012.

U.S. Marines with Gulf Company, 2nd Battalion, 3rd Marine Regiment, ride in CH-53 cargo helicopters while conducting immediate-action drills during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 20, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.

U.S. Marines with Gulf Company, 2nd Battalion, 3rd Marine Regiment, ride in CH-53 cargo helicopters while conducting immediate-action drills during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 20, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.

U.S. Marines with Gulf Company, 2nd Battalion, 3rd Marine Regiment, conduct immediate-action drills during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 20, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.

U.S. Marines with Gulf Company, 2nd Battalion, 3rd Marine Regiment, conduct immediate-action drills during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 20, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.

U.S. Marines with Gulf Company, 2nd Battalion, 3rd Marine Regiment, conduct immediate-action drills during Lava Viper in Pohakuloa Training Area, Hawaii, Jan. 20, 2012. Lava Viper is a battalion-level combined-arms training exercise to better prepare Marines for upcoming deployments.

U.S. Marine Sgt. Noland Lynch, section leader, combat assault company, stands atop an amphibious assault vehicle 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.

U.S. Marine Pfc. Maxwell Dossett, machine gunner, Fox Company, 2nd Battalion, 3rd Marine Regiment, maintains security during immediate-action drills at 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.

U.S. Marines with Fox Company, 2nd Battalion, 3rd Marine Regiment, conduct immediate-action drills 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.

U.S. Marine Lance Cpl. Marco Othon, with Echo Company, 2nd Battalion, 3rd Marine Regiment, maintains security during an immediate-action drill at 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.