Memorial service set for Kadena Airman Published March 22, 2011 By 18 Wing Public Affairs 18 Wing Public Affairs Kadena Air Base, Japan -- A memorial service for Tech Sgt. Bounmy Sayavongchanh is scheduled for Thursday at 3 p.m. in Chapel 1. Sergeant Sayavongchanh died near the northern Okinawa city of Nago in a single-vehicle motorcycle accident Saturday, March 19. He was assigned to the 18th Component Maintenance Squadron.