U.S. Marine Lance Cpl. Raul Elikhi, a cannoneer assigned to Kilo Battery, Battalion Landing Team, 2nd Battalion 7th Marines, 31st Marine Expeditionary provides security during Humanitarian Aid, Disaster Relief training mission on Camp Hansen, Okinawa, Japan, Oct 9, 2011. The Marines are conducting the training as part of the MEU's Certification Exercise (CERTEX). The MEU executes CERTEX prior to every deployment to ensure its capability of responding to a wide variety of contingencies. (U.S. Marine Corps photo by Lance Cpl. Vernon T. Meekins/Released) - U.S. Marine Lance Cpl. Raul Elikhi, a cannoneer assigned to Kilo Battery, Battalion Landing Team, 2nd Battalion 7th Marines, 31st Marine Expeditionary provides security during Humanitarian Aid, Disaster Relief training mission on Camp Hansen, Okinawa, Japan, Oct 9, 2011. The Marines are conducting the training as part of the MEU's Certification Exercise (CERTEX). The MEU executes CERTEX prior to every deployment to ensure its capability of responding to a wide variety of contingencies. (U.S. Marine Corps photo by Lance Cpl. Vernon T. Meekins/Released)