CAMP HUMPHREYS -- U.S. Army Garrison Humphreys opened the holiday season in style with a festive Christmas tree lighting ceremony on Dec. 9 at Transformation Park here.The event featured holiday music courtesy of the Eighth Army Band brass quartet, lots of fun for the kids and the arrival of the guest of honor on a fire engine--Santa himself with a host of elves.Following the tree lighting there was a cookie social in the Community Activity Center.