Four U.S. Army combat veterans who served in Iraq and Afghanistan have come together to honor the sacrifices of American military troops and raise awareness of their needs as part of a new music group, 4Troops. 4Troops consists of United States combat veterans Sergeant Daniel Jens, who was a 2008 finalist on "America's Got Talent"; retired Staff Sergeant Ron Henry; Sergeant David Clemo; and Captain Meredith Melcher, the daughter of a retired three-star General.