349th Maintenance Group career advisor retires with more than 21 years of service Published June 2, 2015 By Lt. Col. Robert Couse-Baker 349th Public Affairs TRAVIS AIR FORCE BASE, Calif. -- Master Sgt. Denise C. Laycock, 349th Maintenance Group career advisor, is honored in a retirement ceremony at Travis AFB, Calif., May 16, 2015. Laycock served 21 years in uniform with Team Travis: on active duty, as an Air Reserve Technician and as a traditional Reservist. After her Reserve retirement, she will continue to support the global mobility mission as a civilian employee of the 60th Maintenance Squadron.