New York, NY (May 23, 2009) - Future Marine hopeful Chris Duncan learns about the weapons like the MK-19 grenade launcher that he might use while in the U.S. Marine Corps. Chris got a chance to look at the MK-19 during Marine Day at Time Square as a part

New York, NY (May 23, 2009) - Future Marine hopeful Chris Duncan learns about the weapons like the MK-19 grenade launcher that he might use while in the U.S. Marine Corps. Chris got a chance to look at the MK-19 during Marine Day at Time Square as a part