Senior Airman Marilyn Machay prepares a plate of Mongolian stir fry during the Chef's Competition of Exercise Guardian Challenge.
Senior Airman Marilyn Machay (right) prepares a plate of Mongolian stir fry as she and fellow Chef Airman 1st Class Deanna Howell are evaluated during the Chef's Competition of Exercise Guardian Challenge on May 7, 2001. Guardian Challenge is a four-day competition hosted annually at Vandenberg Air Force Base, Calif., to test the wartime readiness of Air Force Space Command's finest professionals. Machay and Howell are attached to the 90th Space Wing.