First Sgt. Viriato B. Sena, the company first sergeant for Transportation Support Company, Combat Logistics Battalion 46, stands before his Marines prior to conducting video shout outs aboard Al Asad Air Base, Iraq, October 13, 2009. Sena, who joined the Marine Corps in 1973, was participated in the evacuation of Vietnam and is now deployed to Iraq for a similar mission, the responsible drawdown of U.S. forces and equipment in Iraq. (U.S. Marine Corps photograph by Lance Cpl. Melissa A. Latty) - First Sgt. Viriato B. Sena, the company first sergeant for Transportation Support Company, Combat Logistics Battalion 46, stands before his Marines prior to conducting video shout outs aboard Al Asad Air Base, Iraq, October 13, 2009. Sena, who joined the Marine Corps in 1973, was participated in the evacuation of Vietnam and is now deployed to Iraq for a similar mission, the responsible drawdown of U.S. forces and equipment in Iraq. (U.S. Marine Corps photograph by Lance Cpl. Melissa A. Latty)