Designated as an Air Traffic Control Officer, Mahlock earned certifications as a Federal Aviation Administration Tower Local Controller and a Marine Aviation Weapons and Tactics Instructor. She has commanded and led at various levels globally and in combat including but not limited to: Air Traffic Control Detachment Commander; Executive Officer 1st Stinger Battery; Director Marine Corps Instructional Management School; Air Control Officer G3 Future Operations 1st Marine Aircraft Wing; Company Commander Operation Southern Watch and Operation Iraqi Freedom 1; Operations and Executive Officer ; Director Marine Air Command and Control System Experimental; Commanding Officer Iraqi Freedom 8; Information Management Officer; J3 Land Operations Lead and Division Executive Officer, Headquarters European Command; Marine Corps Office of Legislative Affairs and Assistant Chief of Staff G6.