Hall County firefighters stood on Interstate 985 overpasses Friday afternoon as the last of three injured coworkers came home. At Friendship Road, five Station 8 firefighters saluted as the small northbound caravan carrying Will Griffin passed underneath about 3 p.m.Griffin was training July 22 in an aerial ladder bucket with fellow firefighters T.J. Elliott and Stephen Jackson when the truck’s ladder malfunctioned, falling an estimated 44 feet and sending the three to hospitals. Griffin, 24, has been recuperating at Shepherd Spinal Center’s spinal cord injury unit in Atlanta and will continue rehab as an outpatient, according to the center.