Guests board Olli, an autonomous vehicle, for shuttle service on Joint Base Meyers-Henderson Hall (JBM-HH) June 19, 2019. Olli will provide service on JBM-HH for 90 days as part of a pilot project in autonomous vehicle technology for which The U.S. Army Corps of Engineers' (USACE) Engineer Research and Development Center is the research lead. Photo taken by Louie Wein, Headquarters USACE.