U.S. Air Force Airman 1st Class Mary Macklin, 633rd Force Support Squadron fitness specialist, reads a tobacco cessation brochure at Joint Base Langley Eustis, Va., Jan. 11, 2017. The 633rd Aerospace Medicine Squadron’s Health Promotion office conducts bi-weekly one-time enrollment classes for its Tobacco Cessation Program. The initial class is from 12 p.m. to 1 p.m. at the Aerospace and Occupational Physiology building, where participants learn about tobacco cessation coping strategies and behavior modification techniques. (U. S. Air Force photo by Beverly Joyner)