larry: this is armed forces week, and to honor those who are serving and have served this country, we welcome the four troops quartet who released their self-tielgtsd album this week. bonded by their military ties and love of music, they are former captain meredith melcher, she was a platoon leader in iraq. former sergeant daniel jens deployed to iraq as a crew member with the field artillery canon. he placed 11th on the season three of nbc s america s got talent. staff sergeant ron henry. recently retired after a 20-year career. and former sergeant david clemmo, initially deployed in afghanistan after 9/11. and then to iraq, where he laid fiber-optic cables. meredith, how did this group