AMXS NCO puts mission first Published Feb. 1, 2008 RAF LAKENHEATH, England -- Staff Sgt. Xavier Marmolejos, tactical aircraft maintainer, was nominated for the Liberty spotlight by his chain of command because he epitomizes the core value of "Service before Self." Unit: 48th Aircraft Maintenance Squadron Commander: Maj. Keith Compton Time in Service: Four years and eight months Time at Lakenheath: Four years Hometown: New Haven, Conn. Hobbies: Riding bikes, traveling, teaching and dancing salsa and reading Core Value Portrayed: Sergeant Marmolejos continually puts the mission first. He always volunteers to take on those last minute taskings without any thought to the sacrifice he will have to make. His "Service before Self" attitude is a valuable asset to the 493rd AMU and a positive example for others to follow. What accomplishment during your Air Force career are you most proud of? My biggest accomplishment is that while I was the mobility manager for the NATO Riga Peace Summit everything was accomplished with 100 percent accuracy. What are your personal and career goals? My goal is to finish my graduate degree with the University of Oklahoma and earn my commission.