YOKOTA AIR BASE, Japan -- Staff Sgt. Willie Brown, 374th Medical Operations Squadron, treats Staff Sgt. Cynthia Arpan, 374th Maintenance Squadron, for a simulated eye injury March 31 at the base hospital during Phase I of Exercise Beverly Morning 09-03. Yokota is conducting an exercise March 30 through April 3 to maintain operational readiness. (U.S. Air Force photo/Osakabe Yasuo)