Despitea busysummer, theduke has managed tocompletehisRAFduties, flyingat least the minimum number ofrequiredhours - eight24-hourshiftsinthe air and eight24-hourshifts on call.
Durham, North Carolina (CNN) -- The first week of each month, Karen and Jerry Vaneman pack their car for a four-hour drive from Asheville, North Carolina, to the medical complex at Duke University.