The loud cheering and hollering reverberated against the walls and pillars inside the baggage terminal of the Reno-Tahoe International Airport.Several hundred people, many with homemade signs and banners, waved them furiously Wednesday morning as soldiers from a Nevada Army National guard aviation unit marched in tandem, freshly back from an 11-month deployment to Afghanistan.The moment wasn't lost on Sgt. John Hefner Jr., who grew up in Douglas County.“I was overwhelmed but felt like we were rock stars,” he said, grinning widely. “Everyone was cheering, waving their signs. That meant a lot.” Hefner was one of about 40 soldiers from Bravo …