Portrait of U.S. Air Force Senior Airman Selina N. Okyere, a crew chief with the 514th Maintenance Squadron, 514th Air Mobility Wing, Air Force Reserve Command, Joint Base McGuire-Dix-Lakehurst, N.J., Nov. 4, 2017. Okyere created Global Life Savers Inc. 501(c), a nonprofit organization to teach basic first aid skills to the citizens of the Republic of Ghana. (U.S. Air Force photo by Master Sgt. Mark C. Olsen)