Kadena combats spice use Published June 24, 2012 By Airman 1st Class Tyler Prince 18th Wing Public Affairs KADENA AIR BASE, Japan -- Spice is one of the largest substance abuse problems in the U.S. military. Kadena is taking steps to curb this issue by informing the community on spice and its dangers. Airman 1st Class Tyler Prince shows us how Kadena is working to halt this trend. Click here to view the video.