Liberty Wing recognizes award winners Published May 23, 2008 ROYAL AIR FORCE LAKENHEATH, England -- Congratulations to the following Liberty organizations and individuals on their recent awards. 2007 Air Force Medical Service Awards: Outstanding Enlisted Health Services Management of the Year Airman 1st Class Robert A. Powers, 48 MDSS David Gwinn Field Grade Physician Asst of the Year Maj. Brian L. Costello, 48 MDG Outstanding Global Health Field Grade Officer of the Year Maj. Stephanie J. Buffett, 48 MOS Outstanding Physician CGO Clinical Excellence Award Capt. Amy E. Gammill, 48 MDG Outstanding Laboratory Team (Cat I) 48th MDG Lab Team