Master Sgt. Erica Jasper, 779th Medical Group NCOIC of Emergent Care and chief of the Golf Cart Team, gives directions to medical technicians Senior Airman Jessica Seaborn, Airman 1st Class Maiky Rodriguez, and Hospital Corpsman 1st Class Obi Nwagwu during the Joint Service Open House at Joint Base Andrews May 18. This year's Joint Service Open House celebrates the Centennial of Marine Corps Aviation. JSOH affords the public an opportunity to meet the men and women of the Armed Forces while viewing over 100 static displays and 19 aerial demonstration teams. (U.S. Air Force Photo/Melanie Moore)